@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap");

/* ───────────────────────── Design Tokens ───────────────────────── */

:root {
    /* Typography */
    --font-sans: "Plus Jakarta Sans", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "Consolas", monospace;

    /* Shared accent palette */
    --accent: #00d4aa;
    --accent-hover: #00f0c0;
    --danger: #ff4d6a;
    --danger-hover: #ff6680;
    --danger-subtle: rgba(255, 77, 106, 0.08);

    /* Transitions */
    --speed-fast: 150ms;
    --speed-normal: 250ms;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-pill: 100px;
}

/* ───────────────────────── Dark Theme (default) ───────────────── */

[data-theme="dark"] {
    --bg-base: #08080d;
    --bg-surface: #111118;
    --bg-elevated: #1a1a24;
    --bg-hover: #22222e;

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.18);

    --text-primary: #e8e8ed;
    --text-secondary: #8b8b9e;
    --text-tertiary: #5c5c72;
    --text-inverse: #08080d;

    --header-bg: rgba(17, 17, 24, 0.80);
    --header-border: rgba(255, 255, 255, 0.06);

    --table-row-alt: rgba(255, 255, 255, 0.02);
    --table-row-hover: rgba(0, 212, 170, 0.04);

    --input-bg: #0e0e15;
    --input-border: rgba(255, 255, 255, 0.10);
    --input-focus-border: var(--accent);
    --input-focus-glow: rgba(0, 212, 170, 0.15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);

    --scrollbar-track: #111118;
    --scrollbar-thumb: #2a2a3a;

    color-scheme: dark;
}

/* ───────────────────────── Light Theme ─────────────────────────── */

[data-theme="light"] {
    --bg-base: #f4f5f9;
    --bg-surface: #ffffff;
    --bg-elevated: #ffffff;
    --bg-hover: #eef0f6;

    --border-subtle: rgba(0, 0, 0, 0.04);
    --border-default: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.15);

    --text-primary: #12121a;
    --text-secondary: #5c5c72;
    --text-tertiary: #8b8b9e;
    --text-inverse: #ffffff;

    --header-bg: rgba(255, 255, 255, 0.85);
    --header-border: rgba(0, 0, 0, 0.06);

    --accent: #009e7e;
    --accent-hover: #00b892;
    --danger: #dc2f4e;
    --danger-hover: #e8405f;
    --danger-subtle: rgba(220, 47, 78, 0.06);

    --table-row-alt: rgba(0, 0, 0, 0.02);
    --table-row-hover: rgba(0, 158, 126, 0.04);

    --input-bg: #ffffff;
    --input-border: rgba(0, 0, 0, 0.12);
    --input-focus-border: var(--accent);
    --input-focus-glow: rgba(0, 158, 126, 0.12);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);

    --scrollbar-track: #f0f0f4;
    --scrollbar-thumb: #c8c8d4;

    color-scheme: light;
}

/* ───────────────────────── Reset & Base ────────────────────────── */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-base);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background var(--speed-normal) ease, color var(--speed-normal) ease;
}

/* Scrollbar */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

/* ───────────────────────── Layout Shell ────────────────────────── */

.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--header-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--header-border);
}

.app-header .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.app-header .brand svg {
    width: 26px;
    height: 26px;
}

.app-header .brand-text {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: -0.3px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.app-main {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 24px;
}

.app-footer {
    padding: 16px 24px;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-tertiary);
    font-size: 12px;
    font-family: var(--font-mono);
    letter-spacing: 0.3px;
}

/* ───────────────────────── Buttons ─────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 16px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--speed-fast) ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-sm);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
}

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

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--speed-fast) ease;
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* ───────────────────────── Cards / Surfaces ────────────────────── */

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

/* ───────────────────────── Tables ──────────────────────────────── */

.data-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table thead {
    position: sticky;
    top: 0;
}

.data-table th {
    padding: 10px 16px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-tertiary);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-default);
    white-space: nowrap;
}

.data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
    color: var(--text-primary);
}

.data-table tbody tr {
    transition: background var(--speed-fast) ease;
}

.data-table tbody tr:nth-child(even) {
    background: var(--table-row-alt);
}

.data-table tbody tr:hover {
    background: var(--table-row-hover);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Column alignment helpers */
.col-center {
    text-align: center;
}

.col-right {
    text-align: right;
}

.col-mono {
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ───────────────────────── Links ───────────────────────────────── */

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--speed-fast) ease;
}

a:hover {
    color: var(--accent-hover);
}

/* ───────────────────────── Forms / Inputs ──────────────────────── */

.form-input {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    transition: all var(--speed-fast) ease;
    outline: none;
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px var(--input-focus-glow);
}

/* ───────────────────────── Specific Components ────────────────── */

/* Page title area */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-title h1 {
    font-family: var(--font-sans);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
    transition: all var(--speed-fast) ease;
}

.back-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-pill);
    background: rgba(0, 212, 170, 0.10);
    color: var(--accent);
    letter-spacing: 0.3px;
}

.badge-muted {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

/* Digest display */
.digest {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    display: block;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.digest-error {
    color: var(--danger);
}

/* Copy button */
.copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--speed-fast) ease;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--bg-hover);
    color: var(--accent);
}

.copy-btn.copied {
    color: var(--accent);
}

.copy-btn svg {
    width: 15px;
    height: 15px;
}

/* Tag name cell */
.tag-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tag-name {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Date cell */
.date-main {
    font-size: 13px;
    color: var(--text-primary);
    white-space: nowrap;
}

.date-ago {
    font-size: 11px;
    color: var(--text-tertiary);
    display: block;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-indicator {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    padding: 0 8px;
}

/* Login */
.login-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.login-card {
    width: 100%;
    max-width: 380px;
}

.login-card .card-body {
    padding: 32px;
}

.login-title {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.login-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 24px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-form .btn-primary {
    width: 100%;
    padding: 10px 16px;
    margin-top: 4px;
}

/* Alert */
.alert {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
}

.alert-danger {
    background: var(--danger-subtle);
    color: var(--danger);
    border: 1px solid rgba(255, 77, 106, 0.15);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 14px;
}

/* Confirmation dialog */
.delete-form {
    margin: 0;
    display: inline;
}

/* Action cell */
.action-cell {
    white-space: nowrap;
}

/* Theme toggle */
.theme-toggle {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid var(--border-default);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--speed-fast) ease;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    width: 18px;
    height: 18px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    transform: rotate(0deg) scale(1);
    opacity: 1;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    transform: rotate(90deg) scale(0);
    opacity: 0;
}

[data-theme="light"] .theme-toggle .icon-sun {
    transform: rotate(-90deg) scale(0);
    opacity: 0;
}

[data-theme="light"] .theme-toggle .icon-moon {
    transform: rotate(0deg) scale(1);
    opacity: 1;
}

/* ───────────────────────── Animations ─────────────────────────── */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeUp 0.35s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-in-delay-1 { animation-delay: 50ms; }
.animate-in-delay-2 { animation-delay: 100ms; }
.animate-in-delay-3 { animation-delay: 150ms; }

/* ───────────────────────── Responsive ─────────────────────────── */

@media (max-width: 768px) {
    .app-header {
        padding: 0 16px;
    }

    .app-main {
        padding: 20px 16px;
    }

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

    .data-table {
        font-size: 12px;
    }

    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }

    .digest {
        max-width: 120px;
    }

    .login-card .card-body {
        padding: 24px;
    }

    .card {
        border-radius: var(--radius-md);
    }
}

@media (max-width: 480px) {
    .app-header .brand-text {
        display: none;
    }
}