:root {
    --bg: #071120;
    --bg-deep: #050c16;
    --surface: rgba(10, 22, 37, 0.94);
    --surface-2: rgba(255, 255, 255, 0.045);
    --surface-3: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #f3f7fb;
    --muted: #9baec2;
    --primary: #2aa8ff;
    --primary-strong: #197be8;
    --primary-soft: rgba(42, 168, 255, 0.12);
    --success: #38d39f;
    --success-soft: rgba(56, 211, 159, 0.10);
    --danger: #ff6b6b;
    --danger-soft: rgba(255, 107, 107, 0.10);
    --warning: #ffd166;
    --warning-soft: rgba(255, 209, 102, 0.10);
    --shadow: 0 30px 90px rgba(0, 0, 0, 0.38);
    --input: rgba(255, 255, 255, 0.06);
    --logo-bg: linear-gradient(135deg, #0a182a, #102a46);
}

html[data-theme="light"] {
    --bg: #eef4f8;
    --bg-deep: #e3edf4;
    --surface: rgba(255, 255, 255, 0.94);
    --surface-2: rgba(9, 30, 49, 0.035);
    --surface-3: rgba(9, 30, 49, 0.055);
    --border: rgba(15, 44, 69, 0.11);
    --border-strong: rgba(15, 44, 69, 0.18);
    --text: #17324a;
    --muted: #61768a;
    --primary: #168fe2;
    --primary-strong: #0f6fba;
    --primary-soft: rgba(22, 143, 226, 0.10);
    --success: #1aa77a;
    --success-soft: rgba(26, 167, 122, 0.10);
    --danger: #d9534f;
    --danger-soft: rgba(217, 83, 79, 0.09);
    --warning: #b78619;
    --warning-soft: rgba(183, 134, 25, 0.10);
    --shadow: 0 24px 70px rgba(30, 63, 90, 0.14);
    --input: rgba(15, 44, 69, 0.045);
    --logo-bg: linear-gradient(135deg, #0c2034, #153f65);
}

* { box-sizing: border-box; }

html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 5%, rgba(42, 168, 255, 0.16), transparent 30%),
        radial-gradient(circle at 88% 90%, rgba(56, 211, 159, 0.10), transparent 26%),
        linear-gradient(145deg, var(--bg), var(--bg-deep));
    transition: background .25s ease, color .25s ease;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.016) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.016) 1px, transparent 1px);
    background-size: 38px 38px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.5), transparent 85%);
}

html[data-theme="light"] body::before {
    background-image:
        linear-gradient(rgba(15,44,69,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,44,69,.025) 1px, transparent 1px);
}

svg {
    width: 1.05em;
    height: 1.05em;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.page-shell {
    min-height: 100vh;
    padding: 28px 18px 42px;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 28px;
    background: var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 28px;
}

.brand-logo-wrap {
    display: inline-flex;
    align-items: center;
    min-height: 62px;
    padding: 10px 16px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px;
    background: var(--logo-bg);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
}

.brand-logo {
    display: block;
    width: 190px;
    max-width: 42vw;
    height: auto;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-button,
.logout-link,
.status-chip {
    min-height: 42px;
    border-radius: 999px;
}

.icon-button {
    width: 42px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--surface-2);
    cursor: pointer;
    transition: transform .16s ease, background .2s ease, border-color .2s ease;
}

.icon-button:hover {
    transform: translateY(-1px);
    background: var(--surface-3);
    border-color: var(--border-strong);
}

.theme-icon { font-size: 1.1rem; }
html[data-theme="dark"] .theme-icon-sun { display: block; }
html[data-theme="dark"] .theme-icon-moon { display: none; }
html[data-theme="light"] .theme-icon-sun { display: none; }
html[data-theme="light"] .theme-icon-moon { display: block; }

.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    border: 1px solid rgba(56, 211, 159, 0.22);
    color: var(--muted);
    background: var(--success-soft);
    font-size: .84rem;
    font-weight: 700;
}

.status-chip i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(56, 211, 159, .12);
}

.logout-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 15px;
    border: 1px solid var(--border);
    color: var(--danger);
    background: var(--surface-2);
    text-decoration: none;
    font-size: .84rem;
    font-weight: 750;
    transition: transform .16s ease, background .2s ease;
}

.logout-link:hover { transform: translateY(-1px); background: var(--danger-soft); }

.hero-copy { margin-bottom: 24px; }

.eyebrow,
.section-kicker,
.stat-label,
.link-label {
    display: inline-block;
    color: var(--primary);
    font-size: .72rem;
    font-weight: 850;
    letter-spacing: .13em;
    text-transform: uppercase;
}

h1 {
    margin: 7px 0 0;
    font-size: clamp(2.1rem, 4vw, 3rem);
    letter-spacing: -.045em;
    line-height: 1.05;
}

h2 {
    margin: 5px 0 0;
    font-size: 1.35rem;
    letter-spacing: -.025em;
}

.subtitle,
.panel-heading p,
.files-header p,
.stat-card small,
.empty-state-card span,
.empty-files,
.no-search-results,
.feature-list li,
.file-meta,
.drop-or,
.selected-file-name {
    color: var(--muted);
}

.subtitle {
    max-width: 760px;
    margin: 10px 0 0;
    font-size: 1rem;
    line-height: 1.65;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.stat-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    min-width: 0;
    padding: 17px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface-2);
}

.stat-icon,
.panel-title-icon,
.file-icon,
.empty-state-icon {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    color: var(--primary);
    background: var(--primary-soft);
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    font-size: 1.15rem;
}

.stat-card > div:last-child { min-width: 0; }

.stat-card strong {
    display: block;
    margin-top: 7px;
    overflow: hidden;
    color: var(--text);
    font-size: 1.28rem;
    line-height: 1.25;
    text-overflow: ellipsis;
}

.stat-card-domain strong {
    font-size: .92rem;
    white-space: nowrap;
}

.stat-card small {
    display: block;
    margin-top: 5px;
    line-height: 1.45;
}

.dashboard-grid,
.login-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.14fr) minmax(340px, .86fr);
    gap: 18px;
}

.panel,
.files-section {
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface-2);
}

.panel { padding: 22px; }
.files-section { margin-top: 18px; padding: 22px; }

.panel-heading {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
}

.panel-title-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 1.05rem;
}

.panel-heading > div:last-child { min-width: 0; }
.panel-heading p { margin: 8px 0 0; line-height: 1.5; }

form { margin: 0; }
.login-form,
.upload-form { display: flex; flex-direction: column; gap: 14px; }

.login-form label {
    color: var(--text);
    font-size: .92rem;
    font-weight: 750;
}

input[type="password"],
.files-search,
.link-card input[type="text"] {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 13px;
    outline: none;
    color: var(--text);
    background: var(--input);
    font: inherit;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

input[type="password"] { min-height: 50px; padding: 0 15px; }

input[type="password"]:focus,
.files-search:focus,
.link-card input[type="text"]:focus {
    border-color: rgba(42,168,255,.65);
    box-shadow: 0 0 0 4px rgba(42,168,255,.10);
}

.primary-button,
.copy-button,
.secondary-button {
    font: inherit;
    cursor: pointer;
    transition: transform .16s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.primary-button,
.copy-button {
    border: 0;
    border-radius: 13px;
}

.primary-button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 18px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    box-shadow: 0 14px 30px rgba(42,168,255,.20);
    font-weight: 800;
}

.primary-button:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 18px 34px rgba(42,168,255,.26); }
.primary-button:disabled { opacity: .65; cursor: progress; }

input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.file-drop {
    display: flex;
    min-height: 224px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 28px;
    border: 1.5px dashed rgba(42,168,255,.42);
    border-radius: 18px;
    background: rgba(42,168,255,.045);
    text-align: center;
    cursor: pointer;
    transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.file-drop:hover,
.file-drop.is-dragging {
    transform: translateY(-1px);
    border-color: var(--primary);
    background: rgba(42,168,255,.095);
    box-shadow: inset 0 0 0 1px rgba(42,168,255,.10);
}

.file-drop.is-dragging { transform: scale(1.008); }

.upload-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    margin-bottom: 5px;
    border-radius: 17px;
    color: var(--primary);
    background: var(--primary-soft);
    font-size: 1.65rem;
}

.file-drop strong { font-size: 1.03rem; }
.drop-or { font-size: .88rem; }
.selected-file-name {
    max-width: 100%;
    margin-top: 7px;
    overflow-wrap: anywhere;
    font-size: .84rem;
}

.upload-progress {
    padding: 13px 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface-2);
}

.progress-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 9px;
    color: var(--muted);
    font-size: .84rem;
}

.progress-head strong { color: var(--text); }

.progress-track {
    height: 9px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--input);
}

.progress-track span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary), var(--success));
    transition: width .16s ease;
}

.sucesso,
.erro,
.aviso {
    margin: 0 0 18px;
    padding: 14px 16px;
    border-radius: 15px;
    font-size: .92rem;
    line-height: 1.5;
}

.sucesso,
.aviso { display: flex; flex-direction: column; gap: 3px; }
.sucesso { color: var(--text); border: 1px solid rgba(56,211,159,.26); background: var(--success-soft); }
.erro { color: var(--danger); border: 1px solid rgba(255,107,107,.28); background: var(--danger-soft); }
.aviso { color: var(--text); border: 1px solid rgba(255,209,102,.28); background: var(--warning-soft); }

.link-card,
.empty-state-card,
.empty-files,
.no-search-results {
    border: 1px solid var(--border);
    border-radius: 17px;
    background: var(--surface-2);
}

.link-card,
.empty-state-card { padding: 18px; }
.link-label { margin-bottom: 10px; }

.copy-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 9px;
}

.link-card input[type="text"] {
    min-width: 0;
    min-height: 48px;
    padding: 0 13px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .82rem;
}

.copy-button {
    min-width: 105px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 15px;
    color: #06101d;
    background: #e6f5ff;
    font-weight: 800;
}

.copy-button:hover { transform: translateY(-1px); background: #fff; }

.open-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    color: var(--primary);
    font-size: .88rem;
    font-weight: 750;
    text-decoration: none;
}
.open-link:hover { text-decoration: underline; }

.empty-state-card {
    min-height: 164px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.empty-state-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 10px;
    border-radius: 16px;
    font-size: 1.35rem;
}
.empty-state-card strong { margin-bottom: 6px; color: var(--text); }
.empty-state-card span { max-width: 330px; line-height: 1.5; }

.files-header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 17px;
}
.files-header p { margin: 7px 0 0; }

.files-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.files-search-wrap {
    position: relative;
    width: min(340px, 100%);
}

.search-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    z-index: 1;
    transform: translateY(-50%);
    color: var(--muted);
}

.files-search {
    min-height: 45px;
    padding: 0 14px 0 38px;
}

.pill-count {
    min-height: 45px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
    background: var(--surface-2);
    font-size: .84rem;
    font-weight: 750;
    white-space: nowrap;
}

.files-list {
    display: flex;
    flex-direction: column;
    gap: 11px;
    max-height: 580px;
    overflow-y: auto;
    padding-right: 4px;
}

.files-list::-webkit-scrollbar { width: 8px; }
.files-list::-webkit-scrollbar-thumb { border-radius: 999px; background: var(--border-strong); }

.file-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 15px;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 17px;
    background: var(--surface-2);
    transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.file-item:hover {
    transform: translateY(-1px);
    border-color: rgba(42,168,255,.26);
    background: rgba(42,168,255,.045);
}
.file-item[hidden] { display: none !important; }

.file-main {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 0;
}

.file-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    font-size: 1.05rem;
}

.file-info { min-width: 0; }
.file-title-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.file-info strong {
    display: block;
    overflow: hidden;
    color: var(--text);
    font-size: .94rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-info > a {
    display: block;
    max-width: 600px;
    margin-top: 3px;
    overflow: hidden;
    color: var(--primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .77rem;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.file-info > a:hover { text-decoration: underline; }

.file-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    font-size: .73rem;
}

.file-missing-badge {
    display: inline-flex;
    align-items: center;
    min-height: 23px;
    padding: 0 8px;
    border-radius: 999px;
    color: var(--danger);
    background: var(--danger-soft);
    font-size: .7rem;
    font-weight: 750;
    white-space: nowrap;
}

.file-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 7px;
}

.secondary-button {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 11px;
    border: 1px solid var(--border);
    border-radius: 11px;
    color: var(--text);
    background: var(--surface-2);
    font-size: .78rem;
    font-weight: 750;
    text-decoration: none;
}
.secondary-button:hover { transform: translateY(-1px); border-color: rgba(42,168,255,.30); background: var(--primary-soft); }

.danger-button { color: var(--danger); background: var(--danger-soft); border-color: rgba(255,107,107,.18); }
.danger-button:hover { border-color: rgba(255,107,107,.38); background: rgba(255,107,107,.14); }

.empty-files,
.no-search-results {
    padding: 22px;
    text-align: center;
}
.empty-files strong { display: block; margin-bottom: 5px; color: var(--text); }
.no-search-results { margin-top: 10px; }

.feature-list {
    display: grid;
    gap: 11px;
    padding: 0;
    margin: 0;
    list-style: none;
}
.feature-list li { position: relative; padding-left: 24px; line-height: 1.5; }
.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success);
    font-weight: 900;
}

.hidden-action-form { display: none; }

@media (max-width: 980px) {
    .stats-grid,
    .dashboard-grid,
    .login-layout { grid-template-columns: 1fr; }

    .stat-card-domain strong { white-space: normal; }

    .files-header,
    .files-toolbar { align-items: stretch; flex-direction: column; }

    .files-search-wrap { width: 100%; }
}

@media (max-width: 760px) {
    .page-shell { padding: 12px 8px 28px; }
    .container { padding: 18px; border-radius: 20px; }

    .topbar { align-items: stretch; flex-direction: column; }
    .topbar-actions { justify-content: flex-end; flex-wrap: wrap; }
    .brand-logo-wrap { align-self: flex-start; }
    .brand-logo { width: 170px; max-width: 68vw; }

    h1 { font-size: 2.2rem; }
    .stats-grid { grid-template-columns: 1fr; }

    .copy-row,
    .file-item { grid-template-columns: 1fr; }

    .copy-button { min-height: 44px; }

    .file-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .secondary-button { width: 100%; }

    .file-info > a { max-width: calc(100vw - 120px); }
}

@media (max-width: 460px) {
    .container { padding: 14px; }
    .panel, .files-section { padding: 16px; }
    .status-chip { width: 100%; justify-content: center; order: 3; }
    .logout-link { flex: 1; }
    .icon-button { flex: 0 0 42px; }
    .file-actions { grid-template-columns: 1fr; }
}