/* ==========================================================================
   Elite Time Control — базовые стили
   Все цвета берутся из CSS-переменных.
   Значения переменных приходят из БД (таблица theme_settings) и вставляются
   в <head> блоком :root{...} — он перекрывает дефолты ниже.
   ========================================================================== */

:root {
    /* Дефолты (светлая тема) — страховка, если БД недоступна */
    --bg: #f1f5f9;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --surface-3: #e2e8f0;
    --sidebar-bg: #ffffff;
    --sidebar-logo-bg: #f8fafc;
    --topbar-bg: #ffffff;
    --footer-bg: #ffffff;
    --border: #e2e8f0;
    --border-soft: #eef2f6;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --heading: #009688;
    --shadow: rgba(15, 23, 42, 0.07);
    --input-bg: #ffffff;
    --table-head-bg: #f8fafc;
    --table-hover: #f8fafc;
    --login-grad-1: #4caf50;
    --login-grad-2: #00b2ba;

    --c-blue: #2563eb;
    --c-green: #16a34a;
    --c-orange: #ea580c;
    --c-yellow: #ca8a04;
    --c-red: #dc2626;
    --c-purple: #9333ea;
    --c-violet: #7c3aed;
    --c-fuchsia: #c026d3;
    --c-cyan: #0891b2;
    --c-sky: #0284c7;
    --c-rose: #e11d48;
    --c-amber: #d97706;
    --c-teal: #009688;

    /* Геометрия */
    --r-sm: 8px;
    --r-md: 10px;
    --r-lg: 12px;
    --r-xl: 16px;
    --sidebar-w: 280px;
}

/* Нативные скроллбары/автозаполнение подстраиваются под тему */
html[data-theme="dark"] { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background-color .2s ease, color .2s ease;
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--text);
    z-index: 1000;
    overflow-y: auto;
    border-right: 1px solid var(--border);
    box-shadow: 4px 0 24px var(--shadow);
}

.sidebar .logo {
    padding: 10px;
    background: var(--sidebar-logo-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
}
.sidebar .logo img { max-width: 200px; height: 45px; object-fit: contain; }
html[data-theme="dark"] .sidebar .logo img { filter: brightness(1.6) contrast(1.05); }

.logo-fallback {
    display: none;
    align-items: center;
    gap: 10px;
    height: 40px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
}
.logo-fallback i { color: var(--c-blue); }

.nav { padding: 4px 12px 24px; }

.nav-group {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--heading);
    font-weight: 700;
    padding: 0 12px;
    margin: 10px 0 4px;
}

.menu { list-style: none; display: flex; flex-direction: column; gap: 2px; }

.nav-link {
    --accent: var(--c-blue);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 14px;
    border-radius: var(--r-lg);
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    border: 1px solid transparent;
    transition: background-color .18s, color .18s, border-color .18s;
}
.nav-link:hover { background: var(--surface-2); color: var(--text); }

.nav-link.active {
    background: var(--surface-2);
    background: color-mix(in srgb, var(--accent) 13%, var(--surface));
    color: var(--accent);
    border-color: var(--border);
    border-color: color-mix(in srgb, var(--accent) 38%, transparent);
}

.nav-icon {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    background: var(--surface-2);
    color: var(--text-muted);
    transition: background-color .18s, color .18s;
}
.nav-link.active .nav-icon {
    background: color-mix(in srgb, var(--accent) 22%, var(--surface));
    color: var(--accent);
}

.nav-text { flex: 1; }

.nav-badge {
    margin-left: auto;
    background: var(--accent);
    color: #fff;
    border-radius: 20px;
    padding: 2px 9px;
    font-size: 12px;
    font-weight: 700;
    min-width: 24px;
    text-align: center;
    line-height: 1.5;
}
html[data-theme="dark"] .nav-badge { color: #0b1220; }

.nav-chip {
    margin-left: auto;
    font-size: 10px;
    background: color-mix(in srgb, var(--c-blue) 18%, var(--surface));
    color: var(--c-blue);
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
}

/* Акценты пунктов меню */
.nav-link[data-accent="blue"]    { --accent: var(--c-blue); }
.nav-link[data-accent="green"]   { --accent: var(--c-green); }
.nav-link[data-accent="orange"]  { --accent: var(--c-orange); }
.nav-link[data-accent="yellow"]  { --accent: var(--c-yellow); }
.nav-link[data-accent="red"]     { --accent: var(--c-red); }
.nav-link[data-accent="purple"]  { --accent: var(--c-purple); }
.nav-link[data-accent="violet"]  { --accent: var(--c-violet); }
.nav-link[data-accent="fuchsia"] { --accent: var(--c-fuchsia); }
.nav-link[data-accent="cyan"]    { --accent: var(--c-cyan); }
.nav-link[data-accent="sky"]     { --accent: var(--c-sky); }
.nav-link[data-accent="rose"]    { --accent: var(--c-rose); }
.nav-link[data-accent="amber"]   { --accent: var(--c-amber); }
.nav-link[data-accent="teal"]    { --accent: var(--c-teal); }

.nav-link.logout { --accent: var(--c-red); color: var(--c-red); margin-top: 6px; }
.nav-link.logout .nav-icon {
    background: color-mix(in srgb, var(--c-red) 18%, var(--surface));
    color: var(--c-red);
}
.nav-link.logout:hover {
    background: color-mix(in srgb, var(--c-red) 12%, var(--surface));
    color: var(--c-red);
    border-color: color-mix(in srgb, var(--c-red) 35%, transparent);
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.content {
    margin-left: var(--sidebar-w);
    width: calc(100% - var(--sidebar-w));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
}
.page { flex: 1; padding: 16px; }

/* ==========================================================================
   TOPBAR
   ========================================================================== */
.topbar {
    background: var(--topbar-bg);
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px var(--shadow);
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 8px; }

.chip {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    background: var(--surface-2);
    padding: 8px 14px;
    border-radius: var(--r-md);
    border: 1px solid var(--border);
}
.chip strong { color: var(--text); font-weight: 600; }

.chip-info {
    color: var(--c-blue);
    background: color-mix(in srgb, var(--c-blue) 14%, var(--surface));
    border-color: color-mix(in srgb, var(--c-blue) 35%, transparent);
    font-weight: 600;
}
.chip-warn {
    color: var(--c-red);
    background: color-mix(in srgb, var(--c-red) 14%, var(--surface));
    border-color: color-mix(in srgb, var(--c-red) 35%, transparent);
    font-weight: 600;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--surface-2);
    padding: 5px 14px 5px 5px;
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
}
.avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--r-md);
    background: var(--c-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    flex: 0 0 auto;
}
html[data-theme="dark"] .avatar { color: #0b1220; }
.user-name { font-weight: 700; color: var(--text); font-size: 14px; line-height: 1.2; }
.user-role { font-size: 12px; color: var(--text-muted); font-weight: 500; }

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--surface-2);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    text-decoration: none;
    cursor: pointer;
    font-size: 16px;
    transition: background-color .18s, color .18s;
}
.icon-btn:hover { background: var(--surface-3); color: var(--text); }
.icon-btn.danger {
    color: var(--c-red);
    background: color-mix(in srgb, var(--c-red) 12%, var(--surface));
    border-color: color-mix(in srgb, var(--c-red) 30%, transparent);
}
.icon-btn.danger:hover { background: color-mix(in srgb, var(--c-red) 20%, var(--surface)); }

/* Переключатель темы */
.theme-toggle .fa-moon { display: inline; }
.theme-toggle .fa-sun  { display: none; }
html[data-theme="dark"] .theme-toggle .fa-moon { display: none; }
html[data-theme="dark"] .theme-toggle .fa-sun  { display: inline; color: var(--c-amber); }

/* ==========================================================================
   ФОРМЫ
   ========================================================================== */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea,
.search-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: 14px;
    font-family: inherit;
    transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.search-input:focus {
    outline: none;
    border-color: var(--c-blue);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-blue) 20%, transparent);
}
.form-group input::placeholder,
.search-input::placeholder { color: var(--text-dim); }

input[type="date"],
input[type="time"],
input[type="month"] { color-scheme: inherit; }

/* ==========================================================================
   КНОПКИ
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    transition: filter .18s, transform .18s;
}
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--c-blue);  color: #fff; border-color: transparent; }
.btn-success { background: var(--c-green); color: #fff; border-color: transparent; }
.btn-danger  { background: var(--c-red);   color: #fff; border-color: transparent; }
.btn-warning { background: var(--c-amber); color: #fff; border-color: transparent; }

html[data-theme="dark"] .btn-primary,
html[data-theme="dark"] .btn-success,
html[data-theme="dark"] .btn-danger,
html[data-theme="dark"] .btn-warning { color: #0b1220; font-weight: 600; }

.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ==========================================================================
   ТАБЛИЦЫ
   ========================================================================== */
.table {
    width: 100%;
    background: var(--surface);
    border-radius: var(--r-md);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
    border-collapse: collapse;
    color: var(--text);
}
.table th, .table td {
    padding: 13px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-soft);
}
.table th {
    background: var(--table-head-bg);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: .3px;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--table-hover); }
.table a { color: var(--text); text-decoration: none; }
.table a:hover { color: var(--c-blue); }

/* ==========================================================================
   КАРТОЧКИ / СТАТИСТИКА
   ========================================================================== */
.card,
.stat-card,
.treatment-card,
.patient-header,
.search-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    box-shadow: 0 2px 8px var(--shadow);
    color: var(--text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card { padding: 22px; border-left: 4px solid var(--c-blue); }
.stat-card.money { border-left-color: var(--c-green); }
.stat-card h3 {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-bottom: 8px;
    font-weight: 600;
}
.stat-value { font-size: 30px; font-weight: 700; color: var(--text); }

.card { padding: 20px; }
.search-box { padding: 12px; margin-bottom: 12px; }
.search-box form { display: flex; gap: 10px; }
.search-input { flex: 1; }

.patient-header {
    padding: 22px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.patient-meta {
    margin-top: 10px;
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    font-size: 14px;
}
.balance { font-weight: 700; }
.balance.positive { color: var(--c-green); }
.balance.negative { color: var(--c-red); }

.treatment-card { padding: 18px; margin-bottom: 14px; border-left: 3px solid var(--c-blue); }
.treatment-header { display: flex; justify-content: space-between; margin-bottom: 10px; font-weight: 500; }
.treatment-header .amount { color: var(--c-green); font-weight: 700; }
.treatment-status { text-align: right; }
.services { color: var(--c-blue); margin-bottom: 10px; font-size: 14px; }
.diagnosis {
    color: var(--text-muted);
    font-size: 14px;
    background: var(--surface-2);
    padding: 10px;
    border-radius: 6px;
}

/* ==========================================================================
   БЕЙДЖИ / СТАТУСЫ / АЛЕРТЫ
   ========================================================================== */
.status, .badge {
    --accent: var(--c-blue);
    display: inline-block;
    padding: 3px 11px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: color-mix(in srgb, var(--accent) 16%, var(--surface));
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
}
.badge { border-radius: 6px; text-transform: uppercase; letter-spacing: .3px; }

.status-scheduled { --accent: var(--c-amber); }
.status-confirmed { --accent: var(--c-cyan); }
.status-completed { --accent: var(--c-green); }
.status-cancelled { --accent: var(--c-red); }
.status-no_show   { --accent: var(--c-rose); }

.badge-success { --accent: var(--c-green); }
.badge-warning { --accent: var(--c-amber); }
.badge-danger  { --accent: var(--c-red); }
.badge-info    { --accent: var(--c-blue); }

.role-cashier { --accent: var(--c-orange); }

.alert {
    --accent: var(--c-blue);
    padding: 12px 14px;
    border-radius: var(--r-sm);
    margin-bottom: 20px;
    font-size: 14px;
    background: color-mix(in srgb, var(--accent) 12%, var(--surface));
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.alert-error, .alert-danger { --accent: var(--c-red); }
.alert-success { --accent: var(--c-green); }
.alert-warning { --accent: var(--c-amber); }
.alert-info    { --accent: var(--c-blue); }

/* ==========================================================================
   ВКЛАДКИ
   ========================================================================== */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
}
.tab-btn {
    padding: 10px 18px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-weight: 500;
    font-family: inherit;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--c-blue); border-bottom-color: var(--c-blue); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ==========================================================================
   ВХОД
   ========================================================================== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--login-grad-1) 0%, var(--login-grad-2) 100%);
}
.login-box {
    background: var(--surface);
    color: var(--text);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, .25);
    width: 100%;
    max-width: 400px;
}
.login-logo { display: block; margin: 0 auto 20px; }
html[data-theme="dark"] .login-logo { filter: brightness(1.6); }
.login-box h2 { text-align: center; margin-bottom: 28px; color: var(--text); }

.login-footer {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 12px;
    color: var(--text-dim);
}
.app-version { font-weight: 600; color: var(--text-muted); margin-bottom: 4px; }
.copyright { margin: 0; color: var(--text-dim); }

.password-wrapper { position: relative; display: flex; align-items: center; }
.password-wrapper input { width: 100%; padding-right: 45px; }
.password-toggle {
    position: absolute;
    right: 12px;
    width: 24px;
    height: 24px;
    cursor: pointer;
    opacity: .6;
    transition: opacity .2s;
}
.password-toggle:hover { opacity: 1; }
html[data-theme="dark"] .password-toggle { filter: invert(1); }

/* ==========================================================================
   ПОДВАЛ
   ========================================================================== */
.app-footer {
    margin-left: var(--sidebar-w);
    background: var(--footer-bg);
    border-top: 1px solid var(--border);
    padding: 18px 28px;
    margin-top: auto;
    font-size: 13px;
    color: var(--text-muted);
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    max-width: 1400px;
    margin: 0 auto;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-mark {
    width: 28px;
    height: 28px;
    background: var(--c-violet);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
}
html[data-theme="dark"] .footer-mark { color: #0b1220; }
.app-name { font-weight: 700; color: var(--text); font-size: 15px; }
.version {
    background: var(--surface-2);
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border);
}
.developer, .php-info { color: var(--text-dim); font-size: 12px; }
.status-online { color: var(--c-green); font-weight: 600; }

/* ==========================================================================
   НАСТРОЙКИ ТЕМЫ (страница)
   ========================================================================== */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
}
.swatch-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-soft);
}
.swatch-row:last-child { border-bottom: none; }
.swatch-row label { flex: 1; font-size: 14px; color: var(--text); }
.swatch-row code { font-size: 11px; color: var(--text-dim); font-family: ui-monospace, monospace; }
.swatch-row input[type="color"] {
    width: 44px;
    height: 30px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    cursor: pointer;
}
.swatch-row input[type="text"] {
    width: 100px;
    padding: 5px 8px;
    font-family: ui-monospace, monospace;
    font-size: 12px;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
}

/* ==========================================================================
   АДАПТИВНОСТЬ
   ========================================================================== */
@media (max-width: 900px) {
    .sidebar { position: relative; width: 100%; height: auto; }
    .content, .app-footer { margin-left: 0; width: 100%; }
    .stats-grid { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; align-items: stretch; }
    .footer-content { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

:focus-visible {
    outline: 2px solid var(--c-blue);
    outline-offset: 2px;
}
