/* Linear / Vercel Precision Dark & Light Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --border: rgba(15, 23, 42, 0.08);
    --text: #0f172a;
    --muted: #64748b;
    --accent: #2563eb;
    --accent-dim: rgba(37, 99, 235, 0.08);
    --info: #0284c7;
    --warn: #d97706;
    --danger: #dc2626;
    --success-icon: #059669;
    --input-fill: #f8fafc;
    --nav-bg: rgba(255, 255, 255, 0.9);
    --tip-bg: #ffffff;
    --tip-text: var(--text);
    --tip-shadow: rgba(15, 23, 42, 0.12);
    --script-pre-bg: #0f172a;
    --script-pre-fg: #38bdf8;
    --script-pre-border: rgba(15, 23, 42, 0.12);
    --header-band: rgba(15, 23, 42, 0.03);
    --ghost-hover-border: rgba(15, 23, 42, 0.14);
    --ghost-hover-bg: rgba(15, 23, 42, 0.04);
    --card-hover-shadow: rgba(15, 23, 42, 0.08);
    --donate-bg: #ffffff;
    --toast-shadow: rgba(15, 23, 42, 0.12);
    --noise-opacity: 0;
    --radius: 10px;
    --radius-sm: 6px;
    --touch: 40px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --content-max: min(1320px, 100%);
}

html.theme-dark {
    --bg: #08090a;
    --bg-card: #0f1011;
    --border: rgba(255, 255, 255, 0.08);
    --text: #f7f8f8;
    --muted: #94a3b8;
    --accent: #3b82f6;
    --accent-dim: rgba(59, 130, 246, 0.12);
    --info: #38bdf8;
    --warn: #f59e0b;
    --danger: #ef4444;
    --success-icon: #10b981;
    --input-fill: rgba(255, 255, 255, 0.03);
    --nav-bg: rgba(15, 16, 17, 0.85);
    --tip-bg: #191a1b;
    --tip-text: #f7f8f8;
    --tip-shadow: rgba(0, 0, 0, 0.7);
    --script-pre-bg: #0b0c0e;
    --script-pre-fg: #93c5fd;
    --script-pre-border: rgba(255, 255, 255, 0.08);
    --header-band: rgba(255, 255, 255, 0.03);
    --ghost-hover-border: rgba(255, 255, 255, 0.16);
    --ghost-hover-bg: rgba(255, 255, 255, 0.05);
    --card-hover-shadow: rgba(0, 0, 0, 0.6);
    --donate-bg: #0f1011;
    --toast-shadow: rgba(0, 0, 0, 0.6);
    --noise-opacity: 0;
    --radius: 10px;
    --radius-sm: 6px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100dvh;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; letter-spacing: -0.011em;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
}

a {
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}

/* Full viewport shell */
.app-shell {
    min-height: calc(100dvh - var(--safe-top) - var(--safe-bottom));
    min-height: calc(100vh - var(--safe-top) - var(--safe-bottom));
    display: flex;
    flex-direction: column;
}

.tool-main {
    flex: 1 1 auto;
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: clamp(0.75rem, 3vw, 1.5rem) clamp(0.75rem, 4vw, 1.5rem) clamp(1.25rem, 4vw, 2rem);
}

.noise {
    pointer-events: none;
    position: fixed;
    inset: 0;
    opacity: var(--noise-opacity);
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    z-index: 0;
}

.noise + #app,
.noise + .app-shell {
    position: relative;
    z-index: 1;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: var(--touch);
    padding: 0 1rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-sm {
    min-height: 40px;
    padding: 0 0.75rem;
    font-size: 0.8125rem;
}

.btn-icon {
    min-width: var(--touch);
    padding: 0;
}

.btn-ghost:hover {
    border-color: var(--ghost-hover-border);
    background: var(--ghost-hover-bg);
}

.btn-accent {
    background: var(--accent-dim);
    border-color: rgba(45, 212, 191, 0.35);
    color: #60a5fa;
}

.btn-accent:hover {
    background: rgba(45, 212, 191, 0.22);
}

.btn-primary-solid {
    background: var(--accent);
    border-color: transparent;
    color: #ffffff;
}

.theme-dark .btn-primary-solid {
    color: #042f2e;
}

.btn-primary-solid:hover {
    filter: brightness(1.08);
}

.btn-link {
    background: rgba(56, 189, 248, 0.12);
    border-color: rgba(56, 189, 248, 0.35);
    color: var(--info);
}

.btn-link:hover {
    background: rgba(56, 189, 248, 0.2);
}

.btn-success {
    background: rgba(34, 197, 94, 0.18);
    border-color: rgba(34, 197, 94, 0.4);
    color: #166534;
}

.btn-success:hover {
    background: rgba(34, 197, 94, 0.28);
}

.theme-dark .btn-success {
    color: #86efac;
}

.btn-dark {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.btn-dark:hover {
    background: #334155;
}

.btn-full {
    width: 100%;
}

/* ---------- Forms ---------- */
.field {
    margin-bottom: 0.85rem;
}

.field.mb-0 {
    margin-bottom: 0;
}

.label {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--muted);
    margin-bottom: 0.35rem;
    font-weight: 700;
    font-size: 0.75rem;
}

.control {
    width: 100%;
}

.input,
.select select {
    width: 100%;
    min-height: var(--touch);
    padding: 0 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--input-fill);
    color: var(--text);
    font-family: inherit;
    font-size: 0.875rem;
}

.input:focus,
.select select:focus {
    outline: none;
    border-color: rgba(45, 212, 191, 0.45);
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.12);
}

.input:disabled {
    opacity: 0.55;
}

.select {
    width: 100%;
}

.select select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

html.theme-dark .select select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239aa0a6'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    width: 100%;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
}

.checkbox-row .checkbox-text {
    flex: 1;
    min-width: 0;
    line-height: 1.4;
    font-weight: 600;
}

.checkbox-row input {
    margin-top: 0.15rem;
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
    accent-color: #60a5fa;
}

.checkbox-row .info-tip {
    flex-shrink: 0;
    margin-top: 0.05rem;
}

.help {
    margin: 0.35rem 0 0;
    font-size: 0.72rem;
    color: var(--muted);
}

.field-addons {
    display: flex;
    gap: 0;
    align-items: stretch;
}

.field-addons .select {
    width: auto;
    flex-shrink: 0;
}

.field-addons > div:first-child .input,
.field-addons .input:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.field-addons .select select {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: none;
    min-width: 8rem;
}

/* ---------- Panels / cards ---------- */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(1rem, 2.5vw, 1.35rem);
    border-top: 4px solid var(--accent);
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.section-title {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-title.mb-sm {
    margin-bottom: 0.5rem;
}

.layout-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    align-items: stretch;
}

@media (min-width: 1024px) {
    .layout-split {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .layout-split-wg {
        grid-template-columns: minmax(280px, 430px) 1fr;
    }
}

.panel-script {
    min-height: 280px;
}

.panel-script .script-header {
    flex-shrink: 0;
}

.panel-script pre {
    flex: 1 1 auto;
    min-height: min(40vh, 320px);
    margin: 0 !important;
}

@media (max-width: 1023px) {
    .panel-script pre {
        min-height: min(35vh, 240px);
    }
}

.callout {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: var(--muted);
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.22);
}

.callout strong {
    color: var(--info);
}

/* ---------- Script block ---------- */
.script-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.script-pre {
    background: var(--script-pre-bg) !important;
    color: var(--script-pre-fg) !important;
    border-radius: var(--radius-sm);
    padding: 1rem !important;
    font-size: clamp(0.75rem, 2.8vw, 0.85rem);
    border: 1px solid var(--script-pre-border);
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: var(--touch);
    padding: 0 1rem;
    background: var(--accent);
    color: #ffffff;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 700;
    font-family: inherit;
}

.copy-btn:hover {
    filter: brightness(1.06);
}

@media (max-width: 600px) {
    .script-header .copy-btn {
        flex: 1 1 100%;
    }
}

.code-container {
    position: relative;
    width: 100%;
}

.code-container .copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 5;
    min-height: 36px;
    padding: 0 0.65rem;
    opacity: 0.85;
}

.code-container .copy-btn:hover {
    opacity: 1;
}

/* ---------- Tooltips ---------- */
.info-tip {
    position: relative;
    color: #60a5fa;
    cursor: help;
    margin-left: 4px;
    display: inline-flex;
}

.tip-content {
    display: none;
    position: absolute;
    left: 0;
    top: calc(100% + 6px);
    background: var(--tip-bg);
    color: var(--tip-text);
    padding: 12px;
    border-radius: var(--radius-sm);
    width: min(300px, calc(100vw - 2rem));
    z-index: 1000;
    font-size: 0.78rem;
    font-weight: 400;
    box-shadow: 0 12px 32px var(--tip-shadow);
    border: 1px solid var(--border);
    pointer-events: none;
}

.info-tip:hover .tip-content,
.info-tip:focus-within .tip-content {
    display: block;
}

.tip-header {
    color: #60a5fa;
    font-weight: 800;
    font-size: 0.8rem;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
}

.tip-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 8px;
    line-height: 1.4;
    gap: 6px;
    font-size: 0.78rem;
}

.tip-row .t-label {
    font-weight: 700;
    color: var(--muted);
    min-width: 72px;
    flex-shrink: 0;
}

.tip-row .t-val {
    flex: 1;
    color: var(--tip-text);
}

.tip-def,
.tip-code {
    background: rgba(255, 255, 255, 0.08);
    color: #fda4af;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.72rem;
}

/* ---------- Tool nav ---------- */
.tool-nav {
    flex-shrink: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem clamp(0.75rem, 3vw, 1.25rem);
    position: sticky;
    top: 0;
    z-index: 100;
}

.tool-nav-inner {
    max-width: var(--content-max);
    margin: 0 auto;
}

.tool-nav-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
    justify-content: space-between;
}

.tool-nav-brand {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.45rem;
    min-width: 0;
}

.tool-nav-logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: #0a0a0a;
    overflow: hidden;
    flex-shrink: 0;
    display: grid;
    place-items: center;
}

.tool-nav-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.tool-nav-title {
    margin: 0;
    font-size: clamp(1rem, 3.5vw, 1.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tool-nav-title .accent-icon {
    color: #60a5fa;
}

.tool-nav-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    flex: 1 1 auto;
}

.tool-nav-meta {
    font-size: 0.8rem;
    line-height: 1.35;
    text-align: right;
    color: var(--muted);
}

.tool-nav-meta strong {
    color: #60a5fa;
}

.tool-nav-meta-sub {
    font-size: 0.7rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .tool-nav-row {
        flex-direction: column;
        align-items: stretch;
    }

    .tool-nav-actions {
        justify-content: stretch;
    }

    .tool-nav-actions > .btn {
        flex: 1 1 calc(50% - 0.25rem);
        min-width: 0;
    }

    .tool-nav-meta {
        text-align: center;
        width: 100%;
        padding-top: 0.25rem;
        border-top: 1px solid var(--border);
    }
}

/* ---------- Toast ---------- */
.toast-msg {
    position: fixed;
    bottom: max(1rem, var(--safe-bottom));
    left: 50%;
    transform: translateX(-50%);
    right: auto;
    background: var(--bg-card);
    color: var(--text);
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    z-index: 9999;
    border: 1px solid var(--border);
    box-shadow: 0 12px 40px var(--toast-shadow);
    font-size: 0.875rem;
    max-width: calc(100vw - 2rem);
}

.text-success {
    color: var(--success-icon);
}

/* ---------- Tables (IPTV ref) ---------- */
.isp-vlan-ref {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
}

.data-table th,
.data-table td {
    padding: 0.45rem 0.35rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    color: var(--text);
    font-weight: 700;
}

.data-table code {
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
}

.scope-line {
    margin: 0 0 1rem;
    font-size: 0.78rem;
    color: var(--muted);
}

.text-muted {
    color: var(--muted);
}

.fw-semibold {
    font-weight: 600;
}

.script-pre.script-pre-sm {
    font-size: 0.78rem;
    min-height: 140px;
}

/* ---------- WireGuard client cards ---------- */
.client-section-title {
    margin: 1.5rem 0 1rem;
    font-size: clamp(1.05rem, 3vw, 1.25rem);
    font-weight: 700;
}

.client-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 769px) {
    .client-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.client-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.client-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--header-band);
    flex-wrap: wrap;
}

.client-header .input-plain {
    flex: 1 1 120px;
    min-width: 0;
    border: none;
    background: transparent;
    color: var(--text);
    font-weight: 700;
    font-size: 1rem;
    font-family: inherit;
    padding: 0.25rem 0;
}

.client-header .input-plain:focus {
    outline: none;
}

.ip-badge {
    background: var(--accent-dim);
    color: #60a5fa;
    border: 1px solid rgba(45, 212, 191, 0.35);
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    font-family: ui-monospace, monospace;
    white-space: nowrap;
}

.client-body {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.client-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 480px) {
    .client-inner {
        grid-template-columns: auto 1fr;
        align-items: start;
    }
}

.qr-section {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
}

.qr-section canvas {
    display: block;
    width: 100% !important;
    height: auto !important;
    max-width: 210px;
}

.btn-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.icon-muted {
    color: var(--muted);
}

/* ---------- Home (index) ---------- */
.wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 1rem clamp(0.75rem, 4vw, 1.5rem) clamp(2rem, 5vw, 3rem);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Sticky footer: fill spare height in main, not a huge margin above footer */
#main-content {
    flex: 1 1 auto;
    min-height: 0;
}

header.site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.5rem 0 1.25rem;
}

@media (max-width: 520px) {
    header.site-header {
        align-items: flex-start;
    }

    .header-actions {
        flex: 1;
        min-width: 0;
        justify-content: flex-end;
        flex-wrap: wrap;
    }

    .header-actions.is-mobile-open .nav-extra {
        flex-basis: 100%;
        margin-top: 0.5rem;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .burger {
        display: inline-flex;
    }
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: var(--touch);
    text-decoration: none;
    color: var(--text);
}

.theme-dark .copy-btn {
    color: #042f2e;
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: #0a0a0a;
    overflow: hidden;
    flex-shrink: 0;
    display: grid;
    place-items: center;
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.brand-text {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--muted);
    font-weight: 500;
}

.header-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.burger {
    display: none;
    width: var(--touch);
    height: var(--touch);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.nav-extra {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.hero {
    padding: clamp(1.25rem, 4vw, 2.5rem) 0 clamp(1.5rem, 5vw, 2.5rem);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #60a5fa;
    background: var(--accent-dim);
    border: 1px solid rgba(45, 212, 191, 0.25);
    margin-bottom: 1rem;
}

.hero h1 {
    margin: 0;
    font-size: clamp(1.55rem, 5vw, 2.35rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.hero p {
    margin: 1rem auto 0;
    max-width: 36rem;
    color: var(--muted);
    font-size: clamp(0.92rem, 2.8vw, 1.05rem);
}

.tools-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem clamp(1rem, 3vw, 1.5rem);
    display: flex;
    flex-direction: column;
    min-height: 100%;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.tool-card:hover {
    border-color: rgba(45, 212, 191, 0.25);
    box-shadow: 0 20px 40px var(--card-hover-shadow);
    transform: translateY(-2px);
}

@media (hover: none) {
    .tool-card:hover {
        transform: none;
    }
}

.tool-card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.tool-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.tool-icon.wg {
    background: rgba(45, 212, 191, 0.12);
    color: #60a5fa;
}

.tool-icon.nat {
    background: rgba(56, 189, 248, 0.12);
    color: var(--info);
}

.tool-icon.nd {
    background: rgba(167, 139, 250, 0.15);
    color: #7c3aed;
}

.theme-dark .tool-icon.nd {
    color: #c4b5fd;
}

.tool-icon.iptv {
    background: rgba(251, 146, 60, 0.15);
    color: var(--warn);
}

.tool-card h2 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tool-card .badge-beta {
    display: inline-block;
    margin-left: 0.35rem;
    padding: 0.1rem 0.45rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    vertical-align: 0.15em;
    border-radius: 999px;
    background: rgba(251, 146, 60, 0.18);
    color: #c2410c;
    border: 1px solid rgba(251, 146, 60, 0.45);
}

.theme-dark .tool-card .badge-beta {
    background: rgba(251, 146, 60, 0.15);
    color: #fdba74;
    border-color: rgba(251, 146, 60, 0.35);
}

.tool-card .sub {
    margin: 0.2rem 0 0;
    font-size: 0.875rem;
    color: var(--muted);
}

.tool-card .desc {
    margin: 0.75rem 0 1.1rem;
    font-size: 0.9rem;
    color: var(--muted);
    flex-grow: 1;
}

.tool-card a.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    width: 100%;
    text-align: center;
}

.tool-card a.cta-wg {
    background: var(--accent);
    color: #ffffff;
}

.theme-dark .tool-card a.cta-wg {
    color: #042f2e;
}

.tool-card a.cta-wg:hover {
    filter: brightness(1.08);
}

.tool-card a.cta-nat {
    background: rgba(56, 189, 248, 0.2);
    color: var(--info);
    border: 1px solid rgba(56, 189, 248, 0.35);
}

.tool-card a.cta-nat:hover {
    background: rgba(56, 189, 248, 0.28);
}

.tool-card a.cta-nd {
    background: rgba(167, 139, 250, 0.18);
    color: #c4b5fd;
    border: 1px solid rgba(167, 139, 250, 0.35);
}

.tool-card a.cta-nd:hover {
    background: rgba(167, 139, 250, 0.26);
}

.tool-card a.cta-iptv {
    background: rgba(251, 146, 60, 0.18);
    color: #fdba74;
    border: 1px solid rgba(251, 146, 60, 0.35);
}

.tool-card a.cta-iptv:hover {
    background: rgba(251, 146, 60, 0.26);
}

section.donate {
    margin-top: clamp(2rem, 6vw, 3.5rem);
    padding: clamp(1.5rem, 4vw, 2.25rem);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--donate-bg);
    text-align: center;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

section.donate h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

section.donate .donate-intro {
    margin: 0 auto 1.35rem;
    max-width: 34rem;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.donate-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 3vw, 1.75rem);
    align-items: stretch;
    max-width: min(900px, 100%);
    margin: 0 auto;
}

@media (max-width: 720px) {
    .donate-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
    }
}

.donate-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem 0.85rem 1.15rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.06);
}

.theme-dark .donate-panel {
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}

.donate-panel-label {
    margin: 0 0 0.75rem;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.donate-tile {
    width: min(220px, 100%);
    max-width: 100%;
    aspect-ratio: 1;
    height: auto;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.donate-tile-static {
    background: #fff;
    padding: 6px;
}

.theme-dark .donate-tile-static {
    background: rgba(255, 255, 255, 0.96);
}

.donate-tile-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.donate-tile-link {
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.donate-tile-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.14);
}

.donate-tile-link:active {
    transform: translateY(0);
}

.theme-dark .donate-tile-link {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.theme-dark .donate-tile-link:hover {
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.donate-paypal-link {
    font-size: inherit;
    font-weight: inherit;
    letter-spacing: 0;
    word-break: break-word;
    overflow-wrap: anywhere;
    color: #60a5fa;
    text-decoration: underline;
    transition: border-color 0.2s ease, color 0.2s ease;
    line-height: inherit;
}

.donate-paypal-link:hover {
    color: var(--text);
}

.donate-panel-note {
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
    line-height: inherit;
}

.donate-feedback-link {
    text-decoration: underline;
    transition: color 0.2s ease;
}

.donate-feedback-link:hover {
    color: #60a5fa;
}

.donate-tile-brand {
    padding: 10px;
    background: #0a0a0a;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
}

.donate-tile-brand:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.18);
}

.donate-tile-brand:active {
    transform: translateY(0);
}

.donate-brand-name {
    font-size: inherit;
    font-weight: inherit;
    letter-spacing: 0;
    color: #60a5fa;
    text-decoration: underline;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.donate-brand-name:hover {
    color: var(--text);
}

.donate-meta {
    width: 100%;
    max-width: min(220px, 100%);
    margin-top: 0.45rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.05rem;
}

/* Two aligned rows across all three donate cards (same type sizes + shared min-heights) */
.donate-meta-line {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    margin: 0;
}

.donate-meta-line--primary {
    min-height: 1.65rem;
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.22;
    color: var(--text);
}

.donate-meta-line--primary .bank {
    color: #60a5fa;
    font-weight: inherit;
    font-size: inherit;
    line-height: inherit;
}

.donate-meta-line--primary a {
    display: inline;
    min-height: unset;
    padding: 0;
}

.donate-meta-line--sub {
    min-height: 1.55rem;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.22;
    color: var(--text);
}

.donate-meta-line--sub strong {
    display: block;
    margin: 0;
    font-size: inherit;
    font-weight: 700;
    line-height: inherit;
    color: inherit;
}

footer.site-footer {
    margin-top: clamp(1rem, 2.5vw, 1.5rem);
    padding-top: clamp(0.85rem, 2vw, 1.15rem);
    padding-bottom: 0.25rem;
    border-top: 1px solid var(--border);
    font-size: 0.8125rem;
    color: var(--muted);
}

.site-footer-inner {
    max-width: 38rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    text-align: center;
}

.site-footer-line {
    margin: 0;
    line-height: 1.45;
    text-wrap: balance;
    max-width: 100%;
}

.site-footer-line--meta {
    font-size: 0.78rem;
    opacity: 0.95;
}

.site-footer-brand {
    color: var(--text);
    font-weight: 700;
}

.site-footer-sep {
    color: var(--muted);
    font-weight: 400;
}

footer.site-footer a.site-footer-link {
    color: #60a5fa;
    display: inline;
    min-height: unset;
    padding: 0;
    margin: 0;
    text-decoration: underline;
    text-underline-offset: 0.15em;
    font-weight: 600;
}

footer.site-footer a.site-footer-link:hover {
    color: var(--text);
}

.seo-tools-nav {
    margin: 0 auto clamp(0.75rem, 2vw, 1rem);
    max-width: 52rem;
    padding: 0 0.5rem;
}

.seo-tools-nav-label {
    margin: 0 0 0.45rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

.seo-tools-nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 0.65rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.seo-tools-nav-list a {
    color: #60a5fa;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.seo-tools-nav-list a:hover {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 0.12em;
}

.tool-page-footer {
    margin-top: 1.25rem;
    padding: 1rem 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
}

.mr-1 {
    margin-right: 0.25rem;
}

.ml-1 {
    margin-left: 0.25rem;
}

.mr-2 {
    margin-right: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.flex-gap-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.wg-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 0.5rem;
}

.wg-actions-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .wg-actions-stack {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .wg-actions-stack .btn {
        width: 100%;
        justify-content: center;
    }

    .wg-actions-stack .btn-primary-solid {
        order: -1;
    }
}




/* ==============================================================
   LINEAR / VERCEL PRECISION DASHBOARD LAYOUT (LIGHT & DARK ACCESSIBLE)
   ============================================================== */

.db-shell {
    display: flex;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    position: relative;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* SIDEBAR */
.db-sidebar {
    width: 270px;
    min-width: 270px;
    max-width: 270px;
    height: 100%;
    background: var(--nav-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.db-sidebar-brand {
    padding: 1.15rem 1.25rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.db-brand-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    display: grid;
    place-items: center;
    box-shadow: 0 4px 12px var(--accent-dim);
    flex-shrink: 0;
}

.db-brand-logo img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.db-brand-info {
    min-width: 0;
    flex: 1;
}

.db-brand-title {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text);
    display: block;
}

.db-brand-sub {
    font-size: 0.7rem;
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.db-sidebar-search {
    padding: 0.75rem 1rem 0.5rem;
    flex-shrink: 0;
}

.db-search-input-wrap {
    position: relative;
    width: 100%;
}

.db-search-input-wrap i {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: 0.85rem;
    pointer-events: none;
}

.db-search-input {
    width: 100%;
    height: 36px;
    background: var(--input-fill);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0 0.85rem 0 2.2rem;
    font-size: 0.82rem;
    color: var(--text);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    font-family: inherit;
}

.db-search-input:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.db-sidebar-menu {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.4rem 0.65rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.db-menu-group-title {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.75rem 0.65rem 0.25rem;
    margin: 0;
}

.db-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--muted);
    text-decoration: none;
    font-size: 0.84rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    background: transparent;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.db-nav-item:hover {
    color: var(--text);
    background: var(--ghost-hover-bg);
}

.db-nav-item.active {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--accent) !important;
    font-weight: 700;
}

.db-nav-item.active i {
    color: #60a5fa;
}

.db-nav-item i {
    width: 18px;
    text-align: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.db-nav-item .db-badge-sm {
    margin-left: auto;
    font-size: 0.65rem;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.14);
    color: var(--warn);
    border: 1px solid rgba(245, 158, 11, 0.3);
    font-weight: 700;
}

.db-sidebar-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    flex-shrink: 0;
    background: var(--header-band);
}

.db-footer-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* WORKSPACE */
.db-workspace {
    flex: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
    background: var(--bg);
}

/* TOPBAR */
.db-topbar {
    height: 54px;
    min-height: 54px;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    gap: 1rem;
    z-index: 50;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.db-topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.db-mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    place-items: center;
}

.db-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.db-crumb-root {
    color: var(--muted);
    font-weight: 500;
}

.db-crumb-sep {
    color: var(--muted);
    opacity: 0.5;
}

.db-crumb-active {
    font-weight: 700;
    color: var(--text);
}

.db-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.db-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.25rem 0.65rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--success-icon);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.db-topbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    height: 32px;
    padding: 0 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}

.db-topbar-btn:hover {
    border-color: #60a5fa;
    color: #60a5fa;
}

/* CANVAS */
.db-canvas {
    flex: 1;
    overflow-y: auto;
    position: relative;
    display: flex;
    flex-direction: column;
}

.db-canvas iframe {
    width: 100%;
    height: 100%;
    border: none;
    flex: 1;
    display: block;
}

/* OVERVIEW CONTENT */
.db-overview-content {
    padding: clamp(1.2rem, 3vw, 2.25rem);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.db-welcome-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px var(--card-hover-shadow);
    border-top: 3px solid var(--accent);
}

.db-welcome-title {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    margin: 0 0 0.5rem;
    color: var(--text);
    letter-spacing: -0.025em;
}

.db-welcome-desc {
    color: var(--muted);
    font-size: 0.92rem;
    margin: 0 0 1.5rem;
    max-width: 680px;
    line-height: 1.55;
}

.db-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.85rem;
}

.db-stat-item {
    background: var(--input-fill);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
}

.db-stat-val {
    font-size: 1.3rem;
    font-weight: 800;
    color: #60a5fa;
    font-family: 'JetBrains Mono', monospace;
}

.db-stat-lbl {
    font-size: 0.75rem;
    color: var(--muted);
    font-weight: 600;
    margin-top: 0.15rem;
}

/* GRID CARDS */
.db-sec-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 1.6rem 0 0.85rem;
}

.db-sec-title {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
    margin: 0;
}

.db-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.db-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.15rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.db-card:hover {
    border-color: #60a5fa;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--card-hover-shadow);
}

.db-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.db-card-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.db-card-icon.wg { background: var(--accent-dim); color: #60a5fa; }
.db-card-icon.nat { background: rgba(16, 185, 129, 0.12); color: var(--success-icon); }
.db-card-icon.nd { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }
.db-card-icon.iptv { background: rgba(245, 158, 11, 0.12); color: var(--warn); }

.db-card-name {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
    color: var(--text);
}

.db-card-sub {
    font-size: 0.75rem;
    color: var(--muted);
    margin: 0.1rem 0 0;
}

.db-card-desc {
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.45;
    margin: 0.45rem 0 0;
}

/* TERMINAL CHEAT SHEET */
.db-terminal-box {
    background: var(--script-pre-bg);
    border: 1px solid var(--script-pre-border);
    border-radius: var(--radius);
    padding: 1.15rem;
    margin-top: 1.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--script-pre-fg);
}

.db-terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    color: var(--muted);
    font-weight: 600;
}

.db-term-dots {
    display: flex;
    gap: 6px;
}

.db-term-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.db-term-dot.red { background: #ef4444; }
.db-term-dot.yellow { background: #f59e0b; }
.db-term-dot.green { background: #10b981; }

.db-term-code {
    line-height: 1.6;
}

/* DIALOG */
.db-dialog {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    padding: 0;
    box-shadow: 0 24px 64px var(--tip-shadow);
    max-width: 680px;
    width: calc(100vw - 2rem);
}

.db-dialog::backdrop {
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
}

.db-dialog-header {
    padding: 1.15rem 1.35rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.db-dialog-body {
    padding: 1.35rem;
    max-height: 75vh;
    overflow-y: auto;
}

/* EMBEDDED MODE */
html.is-embedded .tool-nav,
html.is-embedded .site-header,
html.is-embedded .site-footer,
html.is-embedded .noise,
html.is-embedded .seo-tools-nav {
    display: none !important;
}

html.is-embedded body,
html.is-embedded .app-shell,
html.is-embedded .wrap {
    background: transparent !important;
    min-height: auto !important;
    padding: 0 !important;
}

html.is-embedded .tool-main {
    padding: 1rem 1.25rem !important;
    max-width: 100% !important;
}

/* MOBILE RESPONSIVE */
@media (max-width: 860px) {
    .db-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        box-shadow: 12px 0 40px rgba(0, 0, 0, 0.5);
    }
    
    .db-sidebar.is-open {
        transform: translateX(0);
    }
    
    .db-mobile-toggle {
        display: grid;
    }
    
    .db-topbar {
        padding: 0 1rem;
    }
}


/* Clean custom scrollbar for dashboard */
.db-sidebar-menu::-webkit-scrollbar,
.db-canvas::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.db-sidebar-menu::-webkit-scrollbar-track,
.db-canvas::-webkit-scrollbar-track {
    background: transparent;
}
.db-sidebar-menu::-webkit-scrollbar-thumb,
.db-canvas::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 3px;
}
.db-sidebar-menu::-webkit-scrollbar-thumb:hover,
.db-canvas::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.22);
}
html:not(.theme-dark) .db-sidebar-menu::-webkit-scrollbar-thumb,
html:not(.theme-dark) .db-canvas::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, 0.15);
}

/* Ensure no outer page scrollbar, app shell fills 100vh exact */
body.app-shell,
html {
    height: 100%;
    overflow: hidden !important;
}

.db-shell {
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
}

.db-card-desc, .db-welcome-desc {
    color: #94a3b8 !important;
    line-height: 1.5;
}
html:not(.theme-dark) .db-card-desc, 
html:not(.theme-dark) .db-welcome-desc {
    color: #475569 !important;
}

.db-stat-val {
    color: #38bdf8 !important;
}
html:not(.theme-dark) .db-stat-val {
    color: #0284c7 !important;
}