/* ==========================================================================
   PLANSTACK ULTIMATE EMERALD GLASSMORPHISM (2026 PRO EDITION)
   ========================================================================== */

:root {
    /* Роскошная глубокая палитра темного нефрита и неоновой мяты */
    --bg: #030b0e;
    --bg-soft: rgba(6, 20, 26, 0.75);
    --card: rgba(255, 255, 255, 0.03);
    --card-strong: rgba(255, 255, 255, 0.07);
    --border: rgba(0, 255, 179, 0.15); /* Тонкое мятное свечение на границах */
    --text: #f0f6f3;
    --muted: #809c90;
    --accent: #00ffb3; /* Та самая неоновая мята для активных элементов */
    --accent-2: #2dd4bf;
    --danger: #ff6b6b;
    --warning: #ffb84d;
    --success: #00ffb3;
    --gray: #5f756c;
    --shadow: 0 40px 100px rgba(0, 4, 6, 0.7);
    --radius: 16px; /* Строгий стильный радиус */
}

/* ==========================================================================
   1. БАЗОВЫЙ СБРОС И ГЛУБОКИЙ ФОН (BASE & FONTS)
   ========================================================================== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    /* Сложная многослойная подложка градиентов для создания глубины */
    background:
        radial-gradient(circle at 10% 20%, rgba(0, 255, 179, 0.14), transparent 32%),
        radial-gradient(circle at 90% 15%, rgba(45, 212, 191, 0.08), transparent 35%),
        radial-gradient(circle at 50% 90%, rgba(3, 14, 11, 0.85), transparent 45%),
        linear-gradient(155deg, #03080b 0%, #051419 45%, #081d24 100%);
    display: flex;
    justify-content: center;
    overflow-x: hidden;
}

/* Эффектные фоновые неоновые сферы */
body::before,
body::after {
    content: '';
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    opacity: 0.22;
    z-index: 0;
}

body::before {
    top: -120px;
    left: -100px;
    background: rgba(0, 255, 179, 0.25);
}

body::after {
    right: -120px;
    bottom: -100px;
    background: rgba(45, 212, 191, 0.15);
}

/* Типографика */
h1 {
    font-size: clamp(2.2rem, 3.8vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0 0 16px 0;
}

h2 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
}

p {
    color: #a4bcae;
    line-height: 1.6;
    font-size: 1.02rem;
    margin: 0;
}

/* ==========================================================================
   2. КОМПОНЕНТЫ МАТОВОГО СТЕКЛА И СЕТКИ (SHELL & PANELS)
   ========================================================================== */
.page-shell {
    position: relative;
    z-index: 1;
    display: grid;
    width: 100%;
    margin: 32px auto;
    align-items: start;
    padding: 0 24px;
    max-width: 1750px !important; 
    grid-template-columns: 320px minmax(0, 1fr) !important;
    gap: 40px !important;
}

.content-area {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Премиальная стеклянная панель */
.glass-panel {
    background: linear-gradient(180deg, rgba(11, 31, 38, 0.6) 0%, rgba(5, 16, 21, 0.85) 100%);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-radius: var(--radius);
    transition: border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel:hover {
    border-color: rgba(0, 255, 179, 0.28);
}

/* Стили заголовков секций */
.eyebrow {
    display: inline-flex;
    color: var(--accent);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 14px;
    font-weight: 700;
}

/* ==========================================================================
   3. ИЗЯЩНАЯ СИСТЕМА ФОРМ, ИНПУТОВ И КНОПОК (PREMIUM FORM DESIGN)
   ========================================================================== */
input, select, textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    background: rgba(2, 7, 10, 0.5);
    color: var(--text);
    padding: 14px 18px;
    font-size: 0.95rem;
    outline: none;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.25);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

input:focus, select:focus, textarea:focus {
    border-color: rgba(0, 255, 179, 0.6);
    background: rgba(2, 7, 10, 0.75);
    box-shadow: 
        0 0 0 4px rgba(0, 255, 179, 0.05),
        inset 0 2px 4px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(0, 255, 179, 0.12);
}

input::placeholder, textarea::placeholder {
    color: rgba(128, 156, 144, 0.35);
}

label {
    display: grid;
    gap: 8px;
    position: relative;
}

label span {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: color 0.2s ease;
}

label:focus-within span {
    color: var(--accent);
}

/* Кнопка "Войти" с эффектом жидкого изумрудного перелива */
.primary-button {
    width: 100%;
    background: linear-gradient(135deg, var(--accent) 0%, #0f766e 50%, #042f2e 100%);
    background-size: 200% auto;
    color: #030b0e;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    border-radius: 10px;
    padding: 15px 24px;
    margin-top: 8px;
    box-shadow: 
        0 8px 24px rgba(0, 255, 179, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.primary-button:hover {
    background-position: right center;
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(0, 255, 179, 0.3);
    color: #ffffff;
}

.primary-button:active {
    transform: translateY(0);
}

.ghost-button {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.22s ease;
}

.ghost-button:hover {
    background: rgba(0, 255, 179, 0.08);
    border-color: rgba(0, 255, 179, 0.25);
    color: var(--accent);
}

/* ==========================================================================
   4. СТРУКТУРА ЛЕНДИНГА ДЛЯ ГЛАВНОЙ СТРАНИЦЫ (LANDING LAYOUT)
   ========================================================================== */
.landing-page .page-shell {
    grid-template-columns: 1fr;
    max-width: 1140px;
}

.landing-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 32px;
    width: 100%;
    align-items: stretch;
}

.hero-panel {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Округлые фишки и чипсы */
.feature-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 12px 0 32px 0;
}

.feature-chips span {
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(0, 255, 179, 0.04);
    border: 1px solid rgba(0, 255, 179, 0.12);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.hero-metrics {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
    padding: 22px 20px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.metric-card strong {
    display: block;
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 2px;
}

.metric-card span {
    font-size: 0.82rem;
    color: var(--muted);
}

/* Изящный блок авторизации справа */
.auth-panel {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    align-content: start;
    display: grid;
    gap: 24px;
}

.auth-tabs {
    background: rgba(2, 7, 10, 0.6);
    padding: 5px;
    border-radius: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.auth-tab {
    border-radius: 8px;
    padding: 11px;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    color: var(--muted);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.auth-tab.is-active {
    background: linear-gradient(135deg, rgba(0, 255, 179, 0.15) 0%, rgba(45, 212, 191, 0.05) 100%);
    border: 1px solid rgba(0, 255, 179, 0.3);
    color: var(--accent);
    text-shadow: 0 0 12px rgba(0, 255, 179, 0.35);
}

.auth-body form {
    display: none;
    gap: 20px;
}

.auth-body form.is-active {
    display: grid;
}

/* ==========================================================================
   5. ВНУТРЕННИЙ ИНТЕРФЕЙС И ЗАМЕТКИ (SIDEBAR & DASHBOARD)
   ========================================================================== */
.sidebar {
    position: sticky;
    top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-height: calc(100vh - 64px);
    padding: 28px;
}

.brand {
    display: flex;
    gap: 14px;
    align-items: center;
    color: var(--text);
    text-decoration: none;
}

.brand strong { display: block; font-size: 1.1rem; }
.brand small { color: var(--muted); font-size: 0.8rem; }

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), #10b981);
    color: #030b0e;
    font-weight: 800;
    font-size: 1.2rem;
    box-shadow: 0 8px 24px rgba(0, 255, 179, 0.25);
}

.sidebar-nav { display: grid; gap: 8px; }
.sidebar-nav a {
    padding: 12px 16px;
    border-radius: 10px;
    color: var(--muted);
    text-decoration: none;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid transparent;
    transition: all 0.22s ease;
}
.sidebar-nav a:hover {
    color: var(--text);
    background: rgba(0, 255, 179, 0.06);
    border-color: rgba(0, 255, 179, 0.12);
}

.sidebar-user {
    margin-top: auto;
    padding: 16px;
    border-radius: 12px;
    background: rgba(0, 255, 179, 0.03);
    border: 1px solid rgba(0, 255, 179, 0.08);
}

.topbar, .composer-section, .dashboard-tabs, .empty-state, .flash {
    padding: 32px;
}

.topbar {
    display: grid;
    grid-template-columns: 1.6fr minmax(360px, 1fr) !important;
    gap: 40px !important;
    align-items: center !important;
}

.stats-grid { 
    display: grid;
    grid-template-columns: repeat(3, minmax(110px, 1fr)) !important;
    gap: 16px !important;
}
.stat-card {
    padding: 20px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
}
.stat-card strong { display: block; font-size: 1.8rem; margin-bottom: 2px; }
.stat-card.emphasis {
    background: linear-gradient(135deg, rgba(0, 255, 179, 0.12), rgba(45, 212, 191, 0.04));
    border-color: rgba(0, 255, 179, 0.22);
}
.stat-card.emphasis strong { color: var(--accent); }

.composer-section .form-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}
.form-actions { display: flex; align-items: center; gap: 12px; margin-top: 18px; }

/* Табы в ЛК */
.dashboard-tabs { padding: 5px; background: rgba(0, 0, 0, 0.2); border-radius: 12px; display: inline-flex; }
.dashboard-tab { border-radius: 8px; padding: 10px 20px; font-weight: 600; font-size: 0.9rem; color: var(--muted); }
.dashboard-tab.is-active {
    background: rgba(0, 255, 179, 0.14);
    border: 1px solid rgba(0, 255, 179, 0.25);
    color: var(--accent);
}

/* Сетки карточек задач */
.tabs-section, .tab-pane, .cards-grid { display: grid; gap: 20px; }
.tab-pane { display: none; }
.tab-pane.is-active { display: grid; }
.cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.note-card {
    padding: 24px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}
.note-card::after {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: rgba(255, 255, 255, 0.08);
}
.note-card h3 { margin: 12px 0 6px 0; font-size: 1.25rem; }

/* Пилюли приоритетов и статусов (Pills) */
.undefined-state-chip, .priority-pill, .due-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.priority-low { background: rgba(52, 211, 153, 0.08); color: #34d399; }
.priority-mid { background: rgba(0, 255, 179, 0.08); color: var(--accent); }
.priority-high { background: rgba(255, 107, 107, 0.08); color: var(--danger); }

.note-card.due-warning::after { background: var(--warning); }
.note-card.due-critical::after, .note-card.due-overdue::after { background: var(--danger); }
.note-card.due-undefined::after { background: var(--gray); }

.due-normal { background: rgba(255, 255, 255, 0.04); color: var(--muted); }
.due-warning { background: rgba(255, 184, 77, 0.1); color: var(--warning); }
.due-critical, .due-overdue { background: rgba(255, 107, 107, 0.12); color: var(--danger); }
.due-undefined { background: rgba(255, 255, 255, 0.02); color: var(--gray); }

.note-details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 18px 0; }
.note-details div { padding: 10px; border-radius: 8px; background: rgba(0, 0, 0, 0.15); }
.note-details dt { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; }
.note-details dd { margin: 0; font-size: 0.82rem; font-weight: 500; }

.note-editor summary, .inline-reschedule summary { color: var(--accent); text-decoration: underline; font-size: 0.85rem; }
.card-actions, .note-meta-row { display: flex; gap: 12px; align-items: center; }
.reminder-card { box-shadow: 0 20px 50px rgba(0, 255, 179, 0.04); border-color: rgba(0, 255, 179, 0.2); }
.archived-card { opacity: 0.55; }

/* Системные алерты */
.flash { font-weight: 600; border-left: 4px solid transparent; }
.flash-success { border-color: var(--success); background: rgba(0, 255, 179, 0.04); }
.flash-error { border-color: var(--danger); background: rgba(255, 107, 107, 0.04); }
.empty-state { text-align: center; padding: 48px; }

/* ==========================================================================
   6. ПЛАТЕЖНЫЕ МОДУЛИ ЮKASSA (PREMIUM SUBSCRIPTION)
   ========================================================================== */
.premium-promo-card {
    background: linear-gradient(135deg, rgba(255, 170, 0, 0.12), transparent) !important;
    border-color: rgba(255, 170, 0, 0.2) !important;
}
.premium-promo-card strong { color: #ffaa00 !important; }

.premium-active-card {
    background: linear-gradient(135deg, rgba(0, 255, 179, 0.12), transparent) !important;
    border-color: rgba(0, 255, 179, 0.25) !important;
}
.premium-active-card strong { color: var(--accent) !important; }

.premium-container { max-width: 540px; margin: 48px auto; padding: 40px; text-align: center; }
.premium-eyebrow { color: #ffaa00; }
.premium-status-badge {
    background: rgba(0, 255, 179, 0.08); 
    padding: 16px; 
    border-radius: 10px; 
    margin: 24px 0;
    border: 1px solid rgba(0, 255, 179, 0.2);
}
.premium-status-text { color: var(--accent); font-weight: 700; margin: 0; }
.premium-description { font-size: 1.02rem; margin: 24px 0; color: #a4bcae; }
.premium-features-list { text-align: left; max-width: 320px; margin: 24px auto; line-height: 1.9; padding-left: 10px; }
.premium-features-list li { list-style: none; color: #d1dfd8; }
.premium-form { margin-top: 32px; }
.premium-back-link { margin-top: 24px; }

/* ==========================================================================
   7. ПОЛНАЯ АДАПТИВНОСТЬ ПОД МОБИЛКИ И ПЛАНШЕТЫ (RESPONSIVE CONFIG)
   ========================================================================== */
@media (max-width: 1200px) {
    .page-shell { margin: 16px auto; padding: 0 16px; }
    .landing-grid { grid-template-columns: 1fr; gap: 24px; }
    .auth-panel { justify-self: center; width: 100%; max-width: 400px; }
    .topbar { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 1100px) {
    .page-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; min-height: auto; padding: 20px; }
}

@media (max-width: 860px) {
    .cards-grid, .stats-grid, .hero-metrics, .composer-section .form-grid, .note-details {
        grid-template-columns: 1fr;
    }
    .span-2 { grid-column: span 1; }
    .page-shell { margin: 8px auto; padding: 0 8px; }
    .hero-panel, .auth-panel, .topbar, .composer-section, .dashboard-tabs, .flash {
        padding: 24px 20px;
    }
    .hero-panel h1 { font-size: 2.1rem; }
}