/* ═══════════════════════════════════════════════════
   Радар боли ИТ-рынка — тёмная + светлая темы
   SEO-friendly, W3C Valid, Accessibility
   ═══════════════════════════════════════════════════ */

/* ── CSS Variables (Dark Theme — по умолчанию) ─── */
:root {
    --color-bg: #0a0e14;
    --color-surface: #131820;
    --color-surface-2: #1a1f2b;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-text: #e0e0e0;
    --color-text-dim: #8892a0;
    --color-primary: #ff5263;
    --color-primary-glow: rgba(255, 82, 99, 0.3);
    --color-accent: #ff8c42;
    --color-accent-glow: rgba(255, 140, 66, 0.25);
    --color-error: #ff5263;
    --color-error-bg: rgba(255, 82, 99, 0.1);
    --color-admin: #ffaa00;
    --color-heading: #ffffff;
    --color-white: #ffffff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-glow: 0 0 30px rgba(255, 82, 99, 0.08);
    --transition: 0.2s ease;
    --max-width: 1200px;
}

/* ── Light Theme ───────────────────────────────── */
[data-theme="light"] {
    --color-bg: #f5f5f7;
    --color-surface: #ffffff;
    --color-surface-2: #eeeeef;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-text: #1d1d1f;
    --color-text-dim: #6e6e73;
    --color-primary: #d32f2f;
    --color-primary-glow: rgba(211, 47, 47, 0.12);
    --color-accent: #e65100;
    --color-accent-glow: rgba(230, 81, 0, 0.1);
    --color-error: #c62828;
    --color-error-bg: rgba(198, 40, 40, 0.08);
    --color-admin: #e65100;
    --color-heading: #1d1d1f;
    --shadow-glow: 0 0 30px rgba(0, 0, 0, 0.06);
}

/* ── Theme toggle button ───────────────────────── */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-dim);
    transition: all var(--transition);
    margin-left: 4px;
}
.theme-toggle:hover {
    color: var(--color-text);
    background: rgba(128, 128, 128, 0.1);
}
.theme-toggle__icon--sun  { display: none; }
.theme-toggle__icon--moon { display: block; }
[data-theme="light"] .theme-toggle__icon--sun  { display: block; }
[data-theme="light"] .theme-toggle__icon--moon { display: none; }

/* ── Reset & Base ──────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Фоновый градиент-эффект */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, var(--color-primary-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, var(--color-accent-glow) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.main {
    flex: 1;
    position: relative;
    z-index: 1;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: #33e0ff;
}

img {
    max-width: 100%;
    height: auto;
}

/* ── Header ────────────────────────────────────── */
.header {
    background: color-mix(in srgb, var(--color-surface) 85%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.header__logo:hover {
    color: var(--color-text);
}

.header__logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    filter: drop-shadow(0 0 6px var(--color-primary-glow));
}

.header__nav {
    display: flex;
    align-items: center;
}

.header__menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header__link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-dim);
    transition: all var(--transition);
    text-decoration: none;
}

.header__link:hover {
    color: var(--color-text);
    background: color-mix(in srgb, var(--color-text) 6%, transparent);
}

.header__link--active {
    color: var(--color-primary) !important;
    background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

.header__link--login {
    background: color-mix(in srgb, var(--color-primary) 12%, transparent);
    color: var(--color-primary);
    font-weight: 600;
}

.header__link--login:hover {
    background: color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.header__link--logout {
    color: var(--color-text-dim);
}

.header__link--logout:hover {
    color: var(--color-error);
}

.header__user-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
}

.header__role-tag {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 7px;
    border-radius: 4px;
    background: rgba(255, 170, 0, 0.15);
    color: var(--color-admin);
}

/* ── Hero ──────────────────────────────────────── */
.hero {
    padding: 80px 24px 48px;
    text-align: center;
}

.hero__container {
    max-width: 700px;
    margin: 0 auto;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-heading);
    margin-bottom: 16px;
}

.hero__highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--color-text-dim);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ── Cards Grid (div-таблица, mobile-first) ──────── */
.cards-section {
    padding: 0 24px 48px;
}

.cards-section__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.cards-section__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
    text-align: center;
}

.cards-section__desc {
    text-align: center;
    color: var(--color-text-dim);
    margin-bottom: 32px;
    font-size: 0.9rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Сетка карточек: 1 колонка на мобильных, 2 на планшете, 3 на десктопе */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 600px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ── Card ─────────────────────────────────────── */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.card:hover {
    border-color: rgba(0, 217, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card__entity {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-heading);
}

.card__growth {
    font-size: 0.82rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.card__growth--up {
    color: #ff5263;
    background: rgba(255, 82, 99, 0.12);
}

.card__growth--down {
    color: #4caf50;
    background: rgba(76, 175, 80, 0.1);
}

.card__growth--flat {
    color: var(--color-text-dim);
    background: rgba(255, 255, 255, 0.05);
}

.card__metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.card__metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.card__metric-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-dim);
}

.card__metric-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-heading);
}

.card__metric-value--salary {
    font-size: 0.95rem;
    color: var(--color-accent);
}

.card__footer {
    border-top: 1px solid var(--color-border);
    padding-top: 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.card__sources-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-dim);
}

.card__sources {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.card__source-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.source-telegram { background: rgba(0, 136, 204, 0.18);  color: #29b6f6; }
.source-habr     { background: rgba(0, 140, 255, 0.15);  color: #4da3ff; }
.source-vcru     { background: rgba(255, 140, 66, 0.18); color: #ff8c42; }
.source-github   { background: rgba(240, 246, 252, 0.15); color: #c9d1d9; }
.source-hh       { background: rgba(255, 82, 99, 0.18);   color: #ff6b7a; }

/* ── Pain badges ─────────────────────────────── */
.card__pain-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.card__pain-badge--critical {
    background: rgba(255, 82, 99, 0.15);
    color: #ff5263;
    border: 1px solid rgba(255, 82, 99, 0.3);
}
.card__pain-badge--high {
    background: rgba(255, 140, 66, 0.15);
    color: #ff8c42;
    border: 1px solid rgba(255, 140, 66, 0.3);
}
.card__pain-badge--medium {
    background: rgba(255, 193, 7, 0.12);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.25);
}

/* Card border accent by pain level */
.card--critical { border-color: rgba(255, 82, 99, 0.3); }
.card--high      { border-color: rgba(255, 140, 66, 0.25); }
.card--medium    { border-color: var(--color-border); }

/* ── Table pain indicators ───────────────────── */
.table-pain-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
}
.table-pain-dot--critical { background: #ff5263; box-shadow: 0 0 6px rgba(255,82,99,0.5); }
.table-pain-dot--high     { background: #ff8c42; box-shadow: 0 0 6px rgba(255,140,66,0.5); }
.table-pain-dot--medium   { background: #ffc107; }

.text-danger  { color: #ff5263; }
.text-success { color: #4caf50; }


/* ── Radar Section ─────────────────────────────── */
.radar-section {
    padding: 24px 24px 80px;
}

.radar-section__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.radar-section__title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
    text-align: center;
}

.radar-section__desc {
    text-align: center;
    color: var(--color-text-dim);
    margin-bottom: 40px;
    font-size: 0.95rem;
}

.radar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.radar-grid__chart {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-glow);
    transition: border-color var(--transition);
}

.radar-grid__chart:hover {
    border-color: rgba(0, 217, 255, 0.2);
}

.radar-grid__table-wrapper {
    overflow-x: auto;
}

/* ── Data Table ────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.data-table__caption {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    padding: 16px;
    text-align: left;
    caption-side: top;
}

.data-table thead {
    background: var(--color-surface-2);
}

.data-table th {
    padding: 14px 20px;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-dim);
    border-bottom: 1px solid var(--color-border);
}

.data-table td {
    padding: 14px 20px;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-border);
}

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

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* ── CTA Section ───────────────────────────────── */
.cta {
    padding: 60px 24px 80px;
    text-align: center;
}

.cta__container {
    max-width: 500px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 48px 32px;
    box-shadow: var(--shadow-glow);
}

.cta__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 12px;
}

.cta__text {
    color: var(--color-text-dim);
    margin-bottom: 28px;
    line-height: 1.7;
}

/* ── Buttons ───────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    font-family: var(--font-sans);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), #00b8d9);
    color: #0a0e14;
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn--primary:hover {
    box-shadow: 0 6px 28px var(--color-primary-glow);
    transform: translateY(-1px);
    color: #0a0e14;
}

.btn--full {
    width: 100%;
}

/* ── Auth Page ─────────────────────────────────── */
.auth {
    padding: 80px 24px 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth__container {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow-glow);
}

.auth__title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-heading);
    text-align: center;
    margin-bottom: 8px;
}

.auth__subtitle {
    text-align: center;
    color: var(--color-text-dim);
    margin-bottom: 32px;
    font-size: 0.9rem;
}

.auth__form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth__hint {
    margin-top: 28px;
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-dim);
    line-height: 1.8;
    padding: 16px;
    background: var(--color-surface-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.auth__hint code {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    background: rgba(0, 217, 255, 0.1);
    color: var(--color-primary);
    padding: 2px 7px;
    border-radius: 4px;
}

/* ── Form Elements ─────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-input {
    padding: 12px 16px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-heading);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

/* ── Alerts ────────────────────────────────────── */
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.alert--error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(255, 82, 99, 0.25);
}

/* ── Settings Page ─────────────────────────────── */
.settings {
    padding: 60px 24px 80px;
}

.settings__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.settings__title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
}

.settings__subtitle {
    color: var(--color-text-dim);
    margin-bottom: 40px;
}

.settings__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.settings-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: border-color var(--transition), transform var(--transition);
    position: relative;
}

.settings-card:hover {
    border-color: rgba(0, 217, 255, 0.2);
    transform: translateY(-2px);
}

.settings-card__icon {
    color: var(--color-primary);
    margin-bottom: 16px;
    opacity: 0.8;
}

.settings-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 8px;
}

.settings-card__text {
    font-size: 0.88rem;
    color: var(--color-text-dim);
    line-height: 1.6;
    margin-bottom: 16px;
}

.settings-card__badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(255, 170, 0, 0.12);
    color: var(--color-admin);
}

/* ── Footer ────────────────────────────────────── */
.footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer p {
    font-size: 0.85rem;
    color: var(--color-text-dim);
    line-height: 1.8;
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 768px) {
    .header__container {
        padding: 0 16px;
    }

    .header__menu {
        gap: 2px;
    }

    .header__link {
        padding: 6px 10px;
        font-size: 0.82rem;
    }

    .header__user-badge {
        padding: 4px 10px;
        font-size: 0.78rem;
    }

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

    .hero {
        padding: 48px 16px 32px;
    }

    .hero__title {
        font-size: 1.8rem;
    }

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

    .auth__container {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .header__menu {
        gap: 0;
    }

    .header__link {
        padding: 5px 8px;
        font-size: 0.76rem;
    }

    .header__logo span {
        font-size: 1rem;
    }
}