/* ========================================
   LAYOUT & STRUCTURE
   ======================================== */

body {
    background: linear-gradient(135deg, var(--page-bg, #f9fafb) 0%, var(--white, #ffffff) 100%);
    /* clip, НЕ hidden: overflow-x: hidden превращает body в скролл-контейнер
       (computed overflow-y становится auto) — на Мактабе колесо/клавиатура
       скроллили body вместо окна и «застревали». clip клипует без скроллера. */
    overflow-x: clip;
}

/* Header */
header {
    text-align: center;
    padding: 36px 20px 24px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.logo-container {
    margin-bottom: 20px;
}

/* Header Controls */
.header-controls {
    position: absolute;
    top: 20px;
    right: 40px;
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Language Switcher */
.lang-switcher {
    position: relative;
}

.lang-trigger {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 11px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-gray);
    background: var(--white);
    color: var(--dark-gray);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    font-family: var(--font-primary);
    letter-spacing: 0.02em;
}

.lang-trigger:hover {
    border-color: var(--emerald);
    color: var(--emerald);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--emerald) 8%, transparent);
}

.lang-trigger.open {
    border-color: var(--emerald);
    color: var(--emerald);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--emerald) 10%, transparent);
}

.lang-globe {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.lang-chevron {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.lang-trigger.open .lang-chevron {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 148px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    z-index: var(--z-dropdown);
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    transform-origin: top right;
}

.lang-dropdown.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 14px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: var(--font-primary);
    transition: background var(--transition-fast);
    text-align: start;
}

.lang-option:hover {
    background: var(--emerald-50);
}

.lang-option.active {
    background: var(--emerald-50);
}

.lang-opt-code {
    font-size: 12px;
    font-weight: 700;
    color: var(--emerald);
    letter-spacing: 0.05em;
    min-width: 28px;
}

.lang-option:not(.active) .lang-opt-code {
    color: var(--medium-gray);
}

.lang-option:hover .lang-opt-code {
    color: var(--emerald);
}

.lang-opt-name {
    font-size: 13px;
    color: var(--dark-gray);
    font-weight: 400;
}

.lang-option.active .lang-opt-name {
    font-weight: 500;
    color: var(--emerald-dark);
}

/* Разделитель между опциями */
.lang-option + .lang-option {
    border-top: 1px solid var(--border-gray);
}

/* Auth Button in Header */
.header-auth-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: var(--emerald);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    white-space: nowrap;
}

.header-auth-btn:hover {
    background: var(--emerald-dark);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--emerald) 30%, transparent);
}

.header-auth-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* User Menu (when logged in) */
.user-menu-wrap {
    position: relative;
}

.user-avatar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 50%;
    background: var(--emerald-50);
    border: 2px solid var(--emerald);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-avatar-btn:hover {
    box-shadow: 0 2px 12px color-mix(in srgb, var(--emerald) 20%, transparent);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--emerald);
    color: var(--on-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-gray);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-gray);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.user-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--dark-gray);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-dropdown-item:hover {
    background: var(--emerald-50);
}

.user-dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--medium-gray);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border-gray);
    margin: 4px 0;
}

.user-dropdown-item.danger {
    color: var(--danger);
}

.user-dropdown-item.danger svg {
    color: var(--danger);
}

/* Search Section */
.search-section {
    max-width: 700px;
    margin: 50px auto;
    padding: 0 20px;
}

.search-container {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: 18px 60px 18px 24px;
    font-size: 16px;
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-full);
    outline: none;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.search-input:focus {
    border-color: var(--emerald);
    box-shadow: 0 6px 30px color-mix(in srgb, var(--emerald) 15%, transparent);
}

.search-icon {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--emerald);
    font-size: 20px;
}

/* Ecosystem Section */
.ecosystem-section {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 40px;
    position: relative;
}

.diagram-container {
    position: relative;
    width: 100%;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* SVG Connection Lines */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.connection-line {
    stroke: var(--emerald);
    stroke-width: 2;
    fill: none;
    opacity: 0.3;
    transition: opacity var(--transition-normal);
}

/* Center Node */
.center-node {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 240px;
    height: 240px;
    background: linear-gradient(135deg, var(--emerald) 0%, var(--emerald-dark) 100%);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

/* Outer Nodes */
.outer-node {
    position: absolute;
    width: 180px;
    height: 140px;
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    z-index: 5;
    text-decoration: none;
}

.outer-node:hover {
    border-color: var(--emerald);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--emerald) 15%, transparent), 0 4px 20px color-mix(in srgb, var(--emerald) 20%, transparent);
}

.outer-node:hover .node-arabic {
    color: var(--emerald-dark);
}

/* Node Positions (Desktop) — Layout 3-2-4 */
/* Верх (4 ноды): Хадисы, Коран, Атлас, Ифта — точное зеркало нижнего ряда */
.node-hadith     { top: 5%; left: 7%; }
.node-quran      { top: 3%; left: 38%; transform: translateX(-50%); }
.node-atlas      { top: 3%; right: 38%; transform: translateX(50%); }
.node-ifta       { top: 5%; right: 7%; }
/* Середина: Календарь, Муджам */
.node-calendar   { top: 50%; left: 2%; transform: translateY(-50%); }
.node-dictionary { top: 50%; right: 2%; transform: translateY(-50%); }
/* Низ (4 ноды): Халяль, Цифровизация, Финансы, Рынок */
.node-halal        { bottom: 5%; left: 7%; }
.node-digitization { bottom: 3%; left: 38%; transform: translateX(-50%); }
.node-maliya       { bottom: 3%; right: 38%; transform: translateX(50%); }
.node-books        { bottom: 5%; right: 7%; }

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    background: var(--dark-gray);
}

footer a {
    color: var(--emerald-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

footer a:hover {
    color: var(--gold-light);
}

/* Переключатель языка в футере главной */
.main-footer-lang {
    display: flex;
    justify-content: center;
    margin-top: 16px;
    position: relative;
}
.main-footer-lang .lang-trigger {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.75);
}
.main-footer-lang .lang-trigger:hover,
.main-footer-lang .lang-trigger.open {
    border-color: var(--emerald-light);
    color: var(--emerald-light);
    box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.12);
}
.main-footer-lang .lang-dropdown {
    top: auto;
    bottom: calc(100% + 8px);
    transform-origin: bottom center;
    transform: translateY(6px) scale(0.97);
    left: 50%;
    right: auto;
    translate: -50%;
}
.main-footer-lang .lang-dropdown.open {
    transform: translateY(0) scale(1);
    translate: -50%;
}

/* ========================================
   AUTH MODAL
   ======================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    z-index: var(--z-modal);
    width: 90%;
    max-width: 460px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-container.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    padding: 32px 32px 0;
    text-align: center;
}

.modal-logo {
    font-family: var(--font-arabic-display);
    font-size: 36px;
    color: var(--emerald);
    margin-bottom: 8px;
}

.modal-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 4px;
}

.modal-subtitle {
    font-size: 14px;
    color: var(--medium-gray);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.modal-close:hover {
    background: var(--light-gray);
    color: var(--dark-gray);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    margin: 24px 32px 0;
    border-bottom: 2px solid var(--border-gray);
}

.auth-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--medium-gray);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.auth-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--emerald);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.auth-tab.active {
    color: var(--emerald);
}

.auth-tab.active::after {
    transform: scaleX(1);
}

.auth-tab:hover:not(.active) {
    color: var(--dark-gray);
}

/* Auth Form */
.auth-form {
    padding: 24px 32px 32px;
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 6px;
}

.form-label .optional {
    font-weight: 400;
    color: var(--medium-gray);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast);
    background: var(--white);
    color: var(--dark-gray);
}

.form-input:focus {
    border-color: var(--emerald);
}

.form-input::placeholder {
    color: #b0b7bf;
}

.form-input.error {
    border-color: var(--danger);
}

.form-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
    display: none;
}

.form-error.show {
    display: block;
}

.form-select {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast);
    background: var(--white);
    color: var(--dark-gray);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-inline-end: 40px;
}

.form-select:focus {
    border-color: var(--emerald);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

/* Submit Button */
.btn-primary {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--emerald) 0%, var(--emerald-dark) 100%);
    color: var(--on-primary);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 8px;
}

.btn-primary:hover {
    box-shadow: 0 6px 20px color-mix(in srgb, var(--emerald) 35%, transparent);
    transform: translateY(-1px);
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* OAuth Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
    color: var(--medium-gray);
    font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-gray);
}

/* OAuth Buttons */
.oauth-buttons {
    display: flex;
    gap: 12px;
}

.btn-oauth {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--white);
}

.btn-oauth:hover {
    border-color: var(--emerald);
    background: var(--emerald-50);
}

.btn-oauth svg {
    width: 20px;
    height: 20px;
}

/* Password Toggle */
.password-wrap {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-gray);
    cursor: pointer;
    padding: 4px;
}

.password-toggle:hover {
    color: var(--dark-gray);
}

/* Auth Footer Link */
.auth-footer-link {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--medium-gray);
}

.auth-footer-link a {
    color: var(--emerald);
    font-weight: 600;
    cursor: pointer;
}

.auth-footer-link a:hover {
    text-decoration: underline;
}

/* Forgot password */
.forgot-link {
    display: block;
    text-align: end;
    font-size: 13px;
    color: var(--emerald);
    margin-top: -10px;
    margin-bottom: 16px;
    cursor: pointer;
}

.forgot-link:hover {
    text-decoration: underline;
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    z-index: var(--z-toast);
    transform: translateX(120%);
    transition: transform var(--transition-normal);
    max-width: 360px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    background: var(--success-light);
    /* Семантический --success (не темизируется), иначе в dawn/ocean тост успеха
       перекрашивается в бордовый/синий и читается как ошибка. */
    color: var(--success);
    border: 1px solid var(--success);
}

.toast.error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid var(--danger);
}
/* ============================================================
   ГЛАВНАЯ: hero, иконки нод, стаггер, футер (дизайн-проход 2026-07)
   ============================================================ */

/* Hero: гирих-«хатам» как маска, окрашенная акцентом текущей темы.
   Маска (а не фоновая картинка) — чтобы узор перекрашивался всеми 6 темами. */
.home-hero {
    overflow: hidden;
}

.home-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--emerald);
    opacity: 0.045;
    pointer-events: none;
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72' viewBox='0 0 72 72'%3E%3Cg fill='none' stroke='%23000' stroke-width='1.4'%3E%3Crect x='22' y='22' width='28' height='28'/%3E%3Crect x='22' y='22' width='28' height='28' transform='rotate(45 36 36)'/%3E%3Ccircle cx='36' cy='36' r='3.5'/%3E%3C/g%3E%3C/svg%3E");
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72' viewBox='0 0 72 72'%3E%3Cg fill='none' stroke='%23000' stroke-width='1.4'%3E%3Crect x='22' y='22' width='28' height='28'/%3E%3Crect x='22' y='22' width='28' height='28' transform='rotate(45 36 36)'/%3E%3Ccircle cx='36' cy='36' r='3.5'/%3E%3C/g%3E%3C/svg%3E");
    -webkit-mask-size: 72px 72px;
    mask-size: 72px 72px;
}

/* Мягкое свечение за логотипом */
.home-hero::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: min(680px, 100%);
    height: 100%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse 60% 70% at center 45%,
        color-mix(in srgb, var(--emerald) 9%, transparent), transparent 75%);
    pointer-events: none;
}

/* Контролы шапки поверх декоративных слоёв */
.home-hero .header-controls { z-index: 2; }

/* SVG-лупа в поиске (вместо emoji) */
.search-icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

/* Иконки модулей в нодах */
.node-icon {
    display: block;
    width: 26px;
    height: 26px;
    margin-bottom: 7px;
    color: var(--emerald);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.node-icon svg { width: 100%; height: 100%; }

.outer-node:hover .node-icon { opacity: 1; }

/* Подъём ноды при ховере: свойство translate НЕ конфликтует с
   позиционным transform: translateX(-50%) у центрируемых нод */
.outer-node { transition: all var(--transition-normal), translate var(--transition-fast); }
.outer-node:hover { translate: 0 -3px; }

/* Появление диаграммы: только opacity (не transform — он позиционный),
   и только для тех, кто не просил меньше движения */
@media (prefers-reduced-motion: no-preference) {
    .center-node { animation: nodeFadeIn 0.5s ease-out both; }
    .outer-node  { animation: nodeFadeIn 0.55s ease-out both; }
    .node-hadith     { animation-delay: 0.10s; }
    .node-quran      { animation-delay: 0.16s; }
    .node-atlas      { animation-delay: 0.22s; }
    .node-ifta       { animation-delay: 0.28s; }
    .node-calendar   { animation-delay: 0.34s; }
    .node-dictionary { animation-delay: 0.40s; }
    .node-halal      { animation-delay: 0.46s; }
    .node-digitization { animation-delay: 0.52s; }
    .node-maliya     { animation-delay: 0.58s; }
    .node-books      { animation-delay: 0.64s; }

    .connection-line {
        stroke-dasharray: 620;
        stroke-dashoffset: 620;
        animation: lineDraw 0.9s ease-out 0.35s forwards;
    }
    @keyframes lineDraw { to { stroke-dashoffset: 0; } }
    @keyframes nodeFadeIn { from { opacity: 0; } }
}