:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --border: #2a2a2a;
    --border-light: #3a3a3a;
    --accent: #e94560;
    --accent-light: #ff6b81;
    --accent-glow: rgba(233, 69, 96, 0.3);
    --text: #c0c0c0;
    --text-muted: #666666;
    --text-dim: #444444;
    --success: #2ed573;
    --warning: #ffa502;
    --danger: #ff4757;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text);
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(233, 69, 96, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(233, 69, 96, 0.02) 0%, transparent 50%);
}

/* ===== Loading Screen ===== */
.page-loader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
    pointer-events: none;
}
.page-loader.hidden { opacity: 0; }
.loader-content {
    text-align: center;
}
.loader-spinner {
    width: 60px; height: 60px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
    box-shadow: 0 0 20px var(--accent-glow);
}
.loader-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: pulse-text 1.5s ease-in-out infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-text {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ===== Page Transitions ===== */
.page-transition {
    animation: pageFadeIn 0.4s ease forwards;
}
@keyframes pageFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Верхнее меню ===== */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 60px;
    z-index: 1000;
}

.nav-brand {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.3rem;
    flex-shrink: 0;
    text-decoration: none;
    text-shadow: 0 0 20px var(--accent-glow);
}

.nav-links {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    align-items: center;
    white-space: nowrap;
    background: transparent;
}

.nav-item {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.3s;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    position: relative;
}

.nav-item:hover {
    color: var(--accent-light);
    background: rgba(233, 69, 96, 0.08);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    margin-left: auto;
}

/* Бургер-меню */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 2000;
}
.burger div {
    width: 30px;
    height: 3px;
    background: var(--text);
    border-radius: 3px;
    transition: all 0.3s;
}

/* Контент */
.content {
    margin-top: 80px;
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: calc(100vh - 80px);
    animation: pageFadeIn 0.4s ease forwards;
}

/* Выпадающие меню */
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown-toggle {
    cursor: default;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    min-width: 220px;
    padding: 0.4rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 1100;
    box-shadow: 0 8px 30px rgba(0,0,0,0.6);
}
.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1.2rem;
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
    font-size: 0.85rem;
}
.dropdown-item:hover {
    background: var(--accent);
    color: white;
}

/* Общие контейнеры */
.auth-container {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    width: 400px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}
.auth-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.auth-container h1 {
    color: var(--accent);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn {
    width: 100%;
    padding: 0.8rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.btn:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px var(--accent-glow);
}
.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover {
    background: var(--accent-light);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    box-shadow: none;
}

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover {
    background: #ff6b6b;
}

.error {
    color: var(--danger);
    margin-bottom: 1rem;
    text-align: center;
}
.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
}
.auth-link a {
    color: var(--accent);
    text-decoration: none;
}
.auth-link a:hover {
    text-decoration: underline;
}

/* ===== Таблицы ===== */
.table-wrapper {
    max-height: 70vh;
    overflow: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
    background: var(--bg-card);
}
.resell-table,
.arsenal-table,
.crate-table {
    width: 100%;
    border-collapse: collapse;
}
.resell-table th, .resell-table td,
.arsenal-table th, .arsenal-table td,
.crate-table th, .crate-table td {
    padding: 0.6rem 0.6rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
    font-size: 0.85rem;
}
.resell-table th,
.arsenal-table th,
.crate-table th {
    background: var(--bg-secondary);
    color: var(--accent-light);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}
.resell-table tbody tr:hover,
.arsenal-table tbody tr:hover,
.crate-table tbody tr:hover {
    background: rgba(233, 69, 96, 0.03);
}

.table-input {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
    font-size: 0.85rem;
    min-width: 80px;
    transition: border-color 0.2s;
}
.table-input:focus {
    outline: none;
    border-color: var(--accent);
}

.btn-delete {
    background: transparent;
    border: none;
    color: var(--danger);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 0.3rem;
    transition: transform 0.1s;
}
.btn-delete:hover {
    transform: scale(1.2);
}

.add-rows-container {
    text-align: center;
    margin-top: 1rem;
}
.btn-add-rows {
    background: var(--accent);
    color: white;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-add-rows:hover {
    background: var(--accent-light);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.profit-positive {
    color: var(--success);
    font-weight: bold;
}
.profit-negative {
    color: var(--danger);
    font-weight: bold;
}

/* Таблицы ящиков */
.crates-flex-container {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}
.crate-table-wrapper {
    flex: 1;
    min-width: 450px;
    max-height: 70vh;
    overflow: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-card);
}
.crate-title {
    color: var(--accent);
    font-size: 1.3rem;
    text-align: center;
    margin: 1rem 0 0.5rem 0;
}

/* Контейнер страниц */
.resell-container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 2rem;
}
.resell-container h1 {
    color: var(--accent);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-shadow: 0 0 20px var(--accent-glow);
}

/* Редкость артефактов */
.rarity-common { background-color: #333; color: #aaa; }
.rarity-uncommon { background-color: #1a4a1a; color: #90EE90; }
.rarity-special { background-color: #1a2a5a; color: #1E90FF; }
.rarity-rare { background-color: #3a1a5a; color: #9370DB; }
.rarity-exceptional { background-color: #5a1a1a; color: #DC143C; }
.rarity-legendary { background-color: #4a3a00; color: #FFD700; }

/* Скроллбар */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
    transition: background 0.2s;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border) var(--bg-primary);
}

/* ===== Toast уведомления ===== */
.toast-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    color: var(--text);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    z-index: 10000;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    pointer-events: none;
}
.toast-notification.show {
    opacity: 1;
}

/* ===== Мобильная адаптация ===== */
@media (max-width: 900px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        padding: 1rem 2rem;
        gap: 0.5rem;
        z-index: 1500;
        transform: none;
        left: auto;
    }
    .nav-links.show {
        display: flex;
    }
    .burger {
        display: flex;
    }
    .dropdown-menu {
        position: static;
        background: var(--bg-secondary);
        border: none;
        padding-left: 1rem;
    }
    .nav-user {
        margin-left: auto;
    }
    .content {
        padding: 1rem;
        margin-top: 60px;
    }
    .auth-container {
        width: 100%;
        max-width: 400px;
        padding: 1.5rem;
    }
    .resell-container {
        padding: 1rem;
    }
    .table-wrapper {
        max-height: 60vh;
    }
}

@media (max-width: 768px) {
    .content {
        padding: 0.5rem;
        margin-top: 60px;
    }
    .resell-container {
        padding: 0.5rem;
    }
    .resell-container h1 {
        font-size: 1.3rem;
    }
    h1, h2, h3 {
        word-break: break-word;
    }
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-bottom: 1rem;
    }
    .resell-table, .arsenal-table, .crate-table, .gear-table, .buffs-table {
        min-width: 600px;
    }
    .resell-table th, .resell-table td {
        font-size: 0.75rem;
        padding: 0.4rem 0.3rem;
    }
    .table-input {
        font-size: 0.75rem;
        min-width: 60px;
        padding: 0.2rem 0.3rem;
    }
    .btn, .btn-add-rows, .btn-delete, .btn-primary, .btn-secondary, .btn-danger {
        width: 100%;
        margin: 0.3rem 0;
        text-align: center;
        box-sizing: border-box;
    }
    .toolbar-kd .btn {
        width: auto;
        flex: 1;
    }
    .add-rows-container .btn {
        width: auto;
    }
    .modal-actions, .flex-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
    .form-group input, .form-group select, .form-group textarea {
        font-size: 16px;
        padding: 0.6rem;
    }
    .add-member-form {
        flex-direction: column;
    }
    .squads-layout {
        flex-direction: column;
    }
    .squads-right {
        width: 100% !important;
    }
    .squad-row {
        flex-direction: column;
        gap: 1rem;
    }
    .squad-column {
        width: 100%;
    }
    .crates-flex-container {
        flex-direction: column;
    }
    .crate-table-wrapper {
        min-width: unset;
    }
    .stats-grid, .summary-grid {
        grid-template-columns: 1fr;
    }
    .chart-container canvas {
        height: 200px !important;
    }
    .modal-content {
        width: 95%;
        padding: 1rem;
    }
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        width: 100%;
        box-shadow: none;
        margin-top: 0.5rem;
        background: var(--bg-card);
    }
    .dropdown-menu.show {
        display: block;
    }
    .dropdown-toggle {
        cursor: pointer;
    }
    .burger {
        display: flex;
    }
    .nav-links {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100% - 60px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        transition: left 0.3s ease;
        z-index: 1500;
        overflow-y: auto;
        gap: 0.5rem;
    }
    .nav-links.show {
        left: 0;
    }
    .nav-item, .dropdown-toggle {
        display: block;
        padding: 0.6rem 0;
        font-size: 1rem;
    }
    .nav-item {
        border-bottom: 1px solid var(--border);
    }
    .dropdown {
        width: 100%;
    }
    .dropdown-item {
        padding: 0.6rem 1rem;
    }
    .online-table th, .online-table td {
        font-size: 0.7rem;
        padding: 0.2rem !important;
    }
    .online-table select {
        font-size: 0.65rem;
        padding: 0.1rem;
    }
    .hide-mobile {
        display: none;
    }
    #guide-table {
        min-width: 1200px;
    }
    .profile-info {
        padding: 1rem;
    }
    .profile-info p {
        font-size: 0.85rem;
    }
    .modal-content {
        width: 95%;
        padding: 1rem;
        margin: 0 auto;
    }
    .modal-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    .modal-actions button {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .top-nav {
        padding: 0 1rem;
    }
    .nav-brand {
        font-size: 1.1rem;
    }
    .nav-links {
        padding: 1rem;
    }
    .content {
        padding: 0.5rem;
    }
    .resell-container {
        padding: 0.5rem;
    }
    .auth-container {
        padding: 1rem;
    }
    .btn {
        padding: 0.6rem;
        font-size: 0.9rem;
    }
    .form-group input,
    .form-group select {
        padding: 0.6rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .top-nav {
        padding: 0 0.8rem;
    }
    .nav-brand {
        font-size: 1rem;
    }
    .content {
        padding: 0.2rem;
    }
    .auth-container {
        width: 100%;
        padding: 1rem;
    }
    .stats-card {
        padding: 0.5rem;
    }
    .squad-cell {
        font-size: 0.8rem;
    }
    .member-item {
        padding: 0.4rem;
    }
    .member-delete, .member-status {
        font-size: 1rem;
    }
    .btn {
        font-size: 0.9rem;
    }
    .resell-table th, .resell-table td {
        font-size: 0.7rem;
        padding: 0.3rem 0.2rem;
    }
    .table-input {
        font-size: 0.7rem;
        min-width: 50px;
        padding: 0.15rem 0.2rem;
    }
    h1 {
        font-size: 1.2rem;
    }
}