:root {
    --bg: #f5f7fb;
    --surface: rgba(255,255,255,.92);
    --surface-solid: #ffffff;
    --text: #15182a;
    --muted: #687086;
    --border: #e4e8f1;
    --primary: #635bff;
    --primary-2: #8d55ff;
    --success: #11875d;
    --danger: #ca3542;
    --shadow: 0 24px 70px rgba(37,40,72,.12);
    --radius: 18px;
}

html[data-theme="dark"] {
    --bg: #0b0d17;
    --surface: rgba(21,24,40,.92);
    --surface-solid: #151828;
    --text: #f5f6fa;
    --muted: #a9afc2;
    --border: #2a2e43;
    --primary: #827cff;
    --primary-2: #a66dff;
    --success: #48c997;
    --danger: #ff7d88;
    --shadow: 0 24px 70px rgba(0,0,0,.35);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    background:
        radial-gradient(circle at 50% -10%, rgba(99,91,255,.14), transparent 38%),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

.site-header {
    max-width: 1180px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: -.8px;
}

.brand span {
    color: var(--primary);
}

nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 14px;
    font-weight: 700;
}

.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
}

main {
    min-height: calc(100vh - 180px);
}

.hero {
    max-width: 1080px;
    margin: 60px auto 20px;
    padding: 42px 24px 30px;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--primary);
    font-weight: 900;
    font-size: 12px;
    letter-spacing: 1.5px;
}

.hero h1 {
    margin: 0 auto;
    max-width: 900px;
    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.02;
    letter-spacing: -3.5px;
}

.hero h1 span {
    background: linear-gradient(
        90deg,
        var(--primary),
        var(--primary-2)
    );
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
}

.hero-copy {
    max-width: 720px;
    margin: 24px auto 32px;
    color: var(--muted);
    font-size: 18px;
}

.shortener-card,
.panel,
.content-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.shortener-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    text-align: left;
}

.url-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 13px;
    padding: 14px 15px;
    background: var(--surface-solid);
    color: var(--text);
    outline: none;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,91,255,.13);
}

.url-row input {
    font-size: 17px;
    padding: 18px;
}

button,
.button {
    border: 0;
    cursor: pointer;
    border-radius: 13px;
    padding: 13px 18px;
    font-weight: 800;
}

.primary,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
}

.url-row .primary {
    padding: 0 28px;
}

.advanced-toggle {
    margin-top: 14px;
    padding: 7px 4px;
    color: var(--muted);
    background: transparent;
}

.advanced-options {
    padding-top: 16px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.grid-2 .full {
    grid-column: 1 / -1;
}

label {
    display: block;
    margin: 12px 0;
    color: var(--muted);
    font-weight: 700;
    font-size: 13px;
}

label input,
label textarea,
label select {
    margin-top: 7px;
    font-weight: 500;
}

.hidden {
    display: none !important;
}

.notice {
    padding: 12px 14px;
    margin-top: 14px;
    border-radius: 12px;
    background: rgba(99,91,255,.10);
}

.notice.error {
    background: rgba(202,53,66,.10);
    color: var(--danger);
}

.notice.success {
    background: rgba(17,135,93,.10);
    color: var(--success);
}

.result {
    margin-top: 18px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.result-url {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface-solid);
}

.result-url a {
    flex: 1;
    overflow-wrap: anywhere;
    color: var(--primary);
    font-size: 18px;
    font-weight: 850;
}

.result-actions {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}

.secondary {
    background: var(--surface-solid);
    border: 1px solid var(--border);
    color: var(--text);
}

.qr-box {
    margin-top: 18px;
    width: fit-content;
    padding: 15px;
    background: white;
    border-radius: 15px;
}

.trust-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
    color: var(--muted);
    margin-top: 22px;
    font-size: 13px;
    font-weight: 700;
}

.feature-section,
.explain-section,
.page {
    max-width: 1180px;
    margin: 0 auto;
    padding: 70px 24px;
}

.narrow {
    max-width: 800px;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 30px;
}

.section-heading > span {
    color: var(--primary);
    font-weight: 850;
    font-size: 13px;
}

.section-heading h2,
.page h1 {
    margin: 5px 0;
    font-size: clamp(31px, 5vw, 48px);
    line-height: 1.08;
    letter-spacing: -1.7px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.feature-grid article {
    min-height: 220px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 23px;
}

.feature-grid h3 {
    margin: 15px 0 8px;
}

.feature-grid p,
.page-heading p,
.content-card p,
.panel p {
    color: var(--muted);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: rgba(99,91,255,.12);
    color: var(--primary);
    font-size: 22px;
    font-weight: 900;
}

.content-card,
.panel {
    padding: 26px;
}

.page-heading {
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
}

.page-heading.compact {
    margin-bottom: 8px;
}

.page-heading h1,
.page-heading h2 {
    margin: 0;
}

.vault-grid {
    display: grid;
    gap: 13px;
    margin: 20px 0;
}

.vault-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 15px;
    padding: 20px;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius);
}

.vault-code {
    color: var(--primary);
    font-weight: 900;
    font-size: 18px;
}

.vault-destination {
    color: var(--muted);
    overflow-wrap: anywhere;
    margin-top: 5px;
}

.inline-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 28px;
}

.metric {
    padding: 17px;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.metric strong {
    display: block;
    font-size: 25px;
}

.metric span {
    color: var(--muted);
    font-size: 12px;
}

.daily-bars {
    margin-top: 18px;
}

.day-row {
    display: grid;
    grid-template-columns: 110px 1fr 50px;
    gap: 10px;
    align-items: center;
    margin: 8px 0;
    font-size: 13px;
}

.bar-track {
    height: 9px;
    background: var(--border);
    border-radius: 99px;
    overflow: hidden;
}

.bar {
    height: 100%;
    background: var(--primary);
    border-radius: inherit;
}

.recovery-panel {
    margin-bottom: 18px;
}

.legal h1 {
    margin-top: 0;
}

footer {
    max-width: 1180px;
    margin: 30px auto 0;
    padding: 28px 24px 40px;
    color: var(--muted);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 13px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: 1fr 1fr;
    }

    .analytics-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 650px) {
    .site-header {
        padding: 17px;
    }

    nav a {
        display: none;
    }

    .hero {
        margin-top: 25px;
        padding: 32px 16px 20px;
    }

    .hero h1 {
        letter-spacing: -2.2px;
    }

    .url-row,
    .grid-2,
    .inline-form {
        grid-template-columns: 1fr;
    }

    .url-row .primary {
        padding: 16px;
    }

    .feature-grid,
    .analytics-grid {
        grid-template-columns: 1fr;
    }

    .feature-section,
    .explain-section,
    .page {
        padding: 45px 16px;
    }

    .page-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .vault-item {
        grid-template-columns: 1fr;
    }

    footer {
        margin: 10px 16px 0;
        padding-left: 0;
        padding-right: 0;
        flex-direction: column;
    }
}

/* =====================================================
   PHASE 2 — POWER PLATFORM
   ===================================================== */

.phase2-copy {
    margin-top: 22px;
}

.breakdown-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 24px;
}

.breakdown-card {
    border: 1px solid var(--border);
    background: var(--surface-solid);
    border-radius: 16px;
    padding: 18px;
}

.breakdown-card h3 {
    margin: 0 0 12px;
    font-size: 15px;
}

.breakdown-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 7px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

.breakdown-row:last-child {
    border-bottom: 0;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

th,
td {
    text-align: left;
    padding: 13px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .4px;
}

td {
    font-size: 14px;
    overflow-wrap: anywhere;
}

td a {
    color: var(--primary);
    font-weight: 750;
}

.bulk-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.qr-download {
    margin-top: 12px;
    width: 100%;
}

.campaign-table {
    margin-top: 24px;
}

@media (max-width: 700px) {
    .breakdown-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   PHASE 3 — SMART LINKS + DIAGNOSTICS
   ===================================================== */

.tool-card {
    display: block;
    min-height: 165px;
    padding: 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition:
        transform .16s ease,
        border-color .16s ease;
}

.tool-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.tool-card h3 {
    margin: 0 0 8px;
}

.tool-card p {
    margin: 0;
    color: var(--muted);
}

.rotator-heading,
.rotator-row-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

.rotator-heading {
    margin-top: 25px;
}

.rotator-destination {
    margin: 15px 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface-solid);
}

.remove-destination {
    padding: 7px 10px;
    background: transparent;
    color: var(--danger);
}

.rotator-rule-grid {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.smart-insights {
    margin-top: 25px;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 17px;
    background:
        linear-gradient(
            135deg,
            rgba(99,91,255,.08),
            transparent
        );
}

.smart-insights h3 {
    margin-top: 0;
}

.smart-insight {
    padding: 11px 0;
    border-bottom:
        1px solid var(--border);
}

.smart-insight:last-child {
    border-bottom: 0;
}

.redirect-chain {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.redirect-hop {
    display: grid;
    gap: 3px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface-solid);
    overflow-wrap: anywhere;
}

.redirect-hop small {
    color: var(--muted);
}

.tracking-options {
    display: grid;
    gap: 8px;
    margin: 15px 0;
}

.tracking-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    margin: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.tracking-option input {
    width: auto;
    margin: 0;
}

.slug-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.slug-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface-solid);
    border: 1px solid var(--border);
    color: var(--primary);
}

.slug-option small {
    color: var(--muted);
}

@media (max-width: 850px) {
    .rotator-rule-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .rotator-rule-grid,
    .slug-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   PHASE 4 — ACCOUNT PLATFORM
   ===================================================== */

.account-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}

.account-tab {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--muted);
}

.account-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.section-rule {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 28px 0;
}

.api-key-reveal code {
    display: block;
    margin: 12px 0;
    padding: 12px;
    border-radius: 10px;
    background: var(--surface-solid);
    overflow-wrap: anywhere;
}

.bio-account-link,
.domain-card {
    margin-top: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: var(--surface-solid);
}

.bio-account-link {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    align-items: center;
}

.bio-account-link small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    overflow-wrap: anywhere;
}

.domain-card code {
    overflow-wrap: anywhere;
}

.domain-status {
    display: inline-block;
    margin-left: 8px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.bio-public {
    max-width: 680px;
    margin: 0 auto;
    padding: 70px 18px;
}

.bio-public-card {
    text-align: center;
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: 26px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.bio-avatar {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--surface-solid);
    box-shadow: var(--shadow);
}

.bio-public h1 {
    margin-bottom: 8px;
    font-size: 36px;
    letter-spacing: -1.4px;
}

.bio-public p {
    color: var(--muted);
}

.bio-buttons {
    display: grid;
    gap: 11px;
    margin-top: 28px;
}

.bio-button {
    display: block;
    padding: 15px 18px;
    background: var(--primary);
    color: #fff;
    border-radius: 14px;
    font-weight: 800;
}

.bio-powered {
    margin-top: 25px;
    color: var(--muted);
    font-size: 12px;
}

pre {
    max-width: 100%;
    overflow-x: auto;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface-solid);
}

pre code {
    font-family:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Consolas,
        monospace;
}

@media (max-width: 650px) {
    .bio-account-link {
        align-items: stretch;
        flex-direction: column;
    }
}

/* =====================================================
   PHASE 5 — FINAL PLATFORM
   ===================================================== */

.secret-code {
    display: block;
    padding: 12px;
    margin: 10px 0;
    border-radius: 10px;
    background: var(--surface-solid);
    overflow-wrap: anywhere;
}

.admin-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.status-good {
    color: var(--success);
}

.status-danger {
    color: var(--danger);
}

.site-health {
    display: grid;
    grid-template-columns:
        repeat(3, minmax(0, 1fr));
    gap: 12px;
}

@media (max-width: 750px) {
    .site-health {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   TINYURLFREE BROWSER STABILIZATION
   Mobile navigation + final interaction polish
   ===================================================== */

.mobile-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 9px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    flex: 0 0 auto;
}

.mobile-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 10px;
    background: currentColor;
    transition:
        transform .18s ease,
        opacity .18s ease;
}

.mobile-menu-toggle.is-open
span:nth-child(1) {
    transform:
        translateY(7px)
        rotate(45deg);
}

.mobile-menu-toggle.is-open
span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-open
span:nth-child(3) {
    transform:
        translateY(-7px)
        rotate(-45deg);
}

button,
a,
input,
textarea,
select {
    -webkit-tap-highlight-color:
        transparent;
}

input,
textarea,
select {
    font-size: 16px;
}

button,
.button,
.primary,
.secondary {
    min-height: 42px;
}

@media (max-width: 820px) {

    header {
        position: relative;
        z-index: 1000;
    }

    header > *,
    header .container,
    header .header-inner {
        position: relative;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    header nav {
        display: none !important;
    }

    header nav.mobile-open {
        display: flex !important;
        position: absolute;
        top: calc(100% + 10px);
        left: 8px;
        right: 8px;
        z-index: 9999;

        flex-direction: column;
        align-items: stretch;

        padding: 10px;

        border: 1px solid var(--border);
        border-radius: 16px;

        background:
            var(--surface-solid);

        box-shadow:
            0 20px 60px
            rgba(0,0,0,.28);
    }

    header nav.mobile-open a {
        display: flex;
        align-items: center;

        width: 100%;
        min-height: 44px;

        padding:
            10px 12px;

        border-radius: 10px;
    }

    header nav.mobile-open a:hover,
    header nav.mobile-open a:focus-visible {
        background:
            rgba(108,99,255,.10);
    }

    .page-heading h1,
    .hero h1 {
        overflow-wrap: normal;
        word-break: normal;
    }

    .shortener-card,
    .panel,
    .content-card,
    .feature-card,
    .tool-card {
        max-width: 100%;
    }

    footer a {
        min-height: 32px;
        display: inline-flex;
        align-items: center;
    }
}

@media (max-width: 480px) {

    .page,
    .hero {
        padding-left: 8px;
        padding-right: 8px;
    }

    .shortener-card,
    .panel,
    .content-card {
        border-radius: 16px;
    }

    .feature-grid {
        gap: 10px;
    }

    .feature-card {
        padding: 17px;
    }
}

/* =====================================================
   FINAL SEO GUIDE CONTENT
   Useful visible supporting content for tool pages
   ===================================================== */

.seo-guide {
    width: 100%;
    margin-top: 34px;
    padding: 0 16px 54px;
}

.seo-guide-inner {
    width: min(920px, 100%);
    margin: 0 auto;
    padding: 26px;

    border: 1px solid var(--border);
    border-radius: 18px;

    background: var(--surface);
}

.seo-guide h2 {
    margin:
        8px 0
        14px;

    font-size:
        clamp(
            24px,
            4vw,
            34px
        );

    line-height: 1.08;
    letter-spacing: -.7px;
}

.seo-guide h3 {
    margin:
        28px 0
        12px;

    font-size: 18px;
}

.seo-guide p {
    color: var(--muted);
    line-height: 1.72;
}

.seo-steps {
    display: grid;
    gap: 10px;

    margin: 0;
    padding: 0;

    list-style: none;
}

.seo-steps li {
    padding: 13px 15px;

    border: 1px solid var(--border);
    border-radius: 13px;

    background: var(--surface-solid);

    line-height: 1.55;
}

.seo-faq {
    display: grid;
    gap: 9px;
}

.seo-faq-item {
    padding: 0 15px;

    border: 1px solid var(--border);
    border-radius: 13px;

    background: var(--surface-solid);
}

.seo-faq-item summary {
    padding: 14px 0;

    font-weight: 750;
    cursor: pointer;
}

.seo-faq-item p {
    margin:
        0 0
        15px;
}

.seo-related {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}

.seo-related a {
    display: inline-flex;
    align-items: center;

    min-height: 40px;
    padding: 9px 13px;

    border: 1px solid var(--border);
    border-radius: 11px;

    background: var(--surface-solid);

    font-weight: 700;
}

@media (max-width: 600px) {
    .seo-guide {
        padding:
            0 8px
            34px;
    }

    .seo-guide-inner {
        padding: 19px;
        border-radius: 16px;
    }

    .seo-guide p {
        font-size: 15px;
    }

    .seo-related {
        display: grid;
        grid-template-columns: 1fr;
    }

    .seo-related a {
        width: 100%;
    }
}