@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap');

/* ============================================
   LIQUID GLASS DESIGN - BARS
   ============================================ */

:root {
    --bar-height: 70px;

    /* Тёмная палитра жидкого стекла */
    --bg-primary: #000000;
    --glass-dark: rgba(255, 255, 255, 0.02);
    --glass-medium: rgba(255, 255, 255, 0.04);
    --glass-light: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.1);

    /* Акцентные цвета */
    --accent-primary: #4A7C7E;
    --accent-glow: #00D9FF;
    --accent-purple: #8B5CF6;
    --accent-pink: #EC4899;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ============================================
   ОСНОВНЫЕ СТИЛИ БАРОВ
   ============================================ */
.bar {
    position: fixed;
    left: 0;
    right: 0;
    height: var(--bar-height);
    background: linear-gradient(
        135deg,
        var(--glass-light) 0%,
        var(--glass-medium) 50%,
        var(--glass-dark) 100%
    );
    backdrop-filter: blur(40px) saturate(120%);
    -webkit-backdrop-filter: blur(40px) saturate(120%);
    border: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    z-index: 100;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    transition: all 0.3s ease;
}

.bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent,
        rgba(0, 217, 255, 0.03) 50%,
        transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bar:hover::before {
    opacity: 1;
}

.top-bar {
    top: 0;
    border-bottom: 1px solid var(--glass-border);
}

.bottom-bar {
    bottom: 0;
    border-top: 1px solid var(--glass-border);
    justify-content: center;
    display: none; /* Временно скрыт - можно вернуть удалив эту строку */
}

/* ============================================
   СОЦИАЛЬНЫЕ КНОПКИ
   ============================================ */
.social-buttons {
    display: flex;
    gap: 20px;
}

.social-button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: linear-gradient(
        135deg,
        var(--glass-light) 0%,
        var(--glass-medium) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.social-button::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-button::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(
        45deg,
        var(--accent-glow),
        var(--accent-purple),
        var(--accent-pink)
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}

.social-button img {
    width: 70%;
    height: 70%;
    object-fit: contain;
    border-radius: 50%;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.social-button:hover {
    transform: translateY(-5px) scale(1.1);
    border-color: var(--accent-glow);
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.5),
        0 0 25px rgba(0, 217, 255, 0.3);
    background: linear-gradient(
        135deg,
        var(--glass-hover) 0%,
        var(--glass-light) 100%
    );
}

.social-button:hover::before {
    opacity: 0.2;
}

.social-button:hover::after {
    opacity: 0.5;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.social-button:hover img {
    transform: scale(1.1);
}

.social-button:active {
    transform: translateY(-3px) scale(1.05);
}

/* ============================================
   НАВИГАЦИОННЫЕ КНОПКИ
   ============================================ */
.nav-buttons {
    display: flex;
    gap: 15px;
}

.back-button,
.menu-button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: linear-gradient(
        135deg,
        var(--glass-light) 0%,
        var(--glass-medium) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.back-button::before,
.menu-button::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.back-button::after,
.menu-button::after {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(
        45deg,
        var(--accent-glow),
        var(--accent-purple),
        var(--accent-pink)
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s;
}

.back-button svg,
.menu-button svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: rgba(255, 255, 255, 0.92);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.back-button:hover,
.menu-button:hover {
    transform: translateY(-5px) scale(1.1);
    border-color: var(--accent-glow);
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.5),
        0 0 25px rgba(0, 217, 255, 0.3);
    background: linear-gradient(
        135deg,
        var(--glass-hover) 0%,
        var(--glass-light) 100%
    );
}

.back-button:hover::before,
.menu-button:hover::before {
    opacity: 0.2;
}

.back-button:hover::after,
.menu-button:hover::after {
    opacity: 0.5;
    animation: rotate 3s linear infinite;
}

.back-button:hover svg,
.menu-button:hover svg {
    stroke: var(--accent-glow);
    transform: scale(1.1);
}

.back-button:active,
.menu-button:active {
    transform: translateY(-3px) scale(1.05);
}

/* ============================================
   МОДАЛЬНОЕ ОКНО
   ============================================ */
.modal {
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-content {
    max-width: 85%;
    max-height: 85%;
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.close {
    position: absolute;
    top: 40px;
    right: 40px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 50px;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.close:hover {
    color: var(--accent-glow);
    transform: rotate(90deg);
}

/* ============================================
   АДМИН-ПАНЕЛЬ
   ============================================ */
.admin-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.95) 0%,
        rgba(5, 5, 5, 0.98) 100%
    );
    backdrop-filter: blur(40px) saturate(120%);
    -webkit-backdrop-filter: blur(40px) saturate(120%);
    border-left: 1px solid var(--glass-border);
    box-shadow: -10px 0 50px rgba(0, 0, 0, 0.8);
    z-index: 10000;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    padding: 80px 20px 20px 20px;
}

.admin-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(0, 217, 255, 0.5),
        transparent);
}

.admin-panel.active {
    right: 0;
}

.admin-panel h2 {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: 30px;
    text-align: center;
    letter-spacing: -0.5px;
}

.admin-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--glass-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.admin-close:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: rgba(255, 0, 0, 0.5);
    transform: rotate(90deg);
}

.admin-close::before,
.admin-close::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: rgba(255, 255, 255, 0.92);
}

.admin-close::before {
    transform: rotate(45deg);
}

.admin-close::after {
    transform: rotate(-45deg);
}

/* ============================================
   ФОРМА ЛОГИНА
   ============================================ */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-form input {
    padding: 15px;
    background: var(--glass-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent-glow);
    background: var(--glass-light);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

.login-form button {
    padding: 15px;
    background: linear-gradient(
        135deg,
        var(--glass-light) 0%,
        var(--glass-medium) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--accent-glow);
    border-radius: 12px;
    color: var(--accent-glow);
    font-size: 1.1rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-form button:hover {
    transform: translateY(-2px);
    background: linear-gradient(
        135deg,
        var(--glass-hover) 0%,
        var(--glass-light) 100%
    );
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

/* ============================================
   КОНТЕНТ АДМИН-ПАНЕЛИ
   ============================================ */
.admin-content {
    display: none;
}

.admin-content.active {
    display: block;
}

.admin-section {
    margin-bottom: 30px;
}

.admin-section h3 {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 15px;
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--glass-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.6); /* Светло-серый цвет для текста */
}

.card-item:hover {
    background: var(--glass-light);
    border-color: var(--accent-glow);
    transform: translateX(5px);
}

.card-item button {
    padding: 8px 15px;
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    border-radius: 8px;
    color: rgba(255, 68, 68, 0.92);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.card-item button:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: rgba(255, 0, 0, 0.5);
    transform: scale(1.05);
}

.add-card-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(
        135deg,
        var(--glass-light) 0%,
        var(--glass-medium) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--accent-glow);
    border-radius: 12px;
    color: var(--accent-glow);
    font-size: 1.1rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.add-card-btn:hover {
    background: linear-gradient(
        135deg,
        var(--glass-hover) 0%,
        var(--glass-light) 100%
    );
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

/* ============================================
   ФОРМА ЗАГРУЗКИ ФАЙЛОВ
   ============================================ */
.upload-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
    padding: 20px;
    background: var(--glass-dark);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.upload-form h4 {
    color: rgba(255, 255, 255, 0.92);
    margin: 0 0 10px 0;
    font-size: 1.1rem;
    font-weight: 300;
}

.file-input-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-input-wrapper input[type=file] {
    position: absolute;
    left: -9999px;
}

.file-input-label {
    display: block;
    padding: 15px;
    background: var(--glass-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px dashed var(--glass-border);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.6);
}

.file-input-label:hover {
    background: var(--glass-light);
    border-color: var(--accent-glow);
    color: var(--accent-glow);
}

.file-list {
    list-style: none;
    padding: 0;
    margin: 10px 0;
    max-height: 150px;
    overflow-y: auto;
}

.file-list li {
    padding: 8px;
    background: var(--glass-medium);
    margin-bottom: 5px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.92);
}

.upload-btn {
    padding: 12px;
    background: linear-gradient(
        135deg,
        var(--glass-light) 0%,
        var(--glass-medium) 100%
    );
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--accent-glow);
    border-radius: 10px;
    color: var(--accent-glow);
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-btn:hover {
    transform: translateY(-2px);
    background: var(--glass-hover);
    box-shadow: 0 5px 20px rgba(0, 217, 255, 0.3);
}

.upload-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.progress-bar {
    width: 100%;
    height: 25px;
    background: var(--glass-medium);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-glow), var(--accent-purple));
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.92);
    font-weight: 500;
    font-size: 0.85rem;
}

.success-message {
    padding: 12px;
    background: rgba(0, 255, 0, 0.05);
    border: 1px solid rgba(0, 255, 0, 0.3);
    border-radius: 10px;
    color: rgba(0, 255, 0, 0.9);
    text-align: center;
    margin-top: 10px;
}

.error-message {
    padding: 12px;
    background: rgba(255, 0, 0, 0.05);
    border: 1px solid rgba(255, 0, 0, 0.3);
    border-radius: 10px;
    color: rgba(255, 68, 68, 0.9);
    text-align: center;
    margin-top: 10px;
}

/* ============================================
   КНОПКИ УПРАВЛЕНИЯ
   ============================================ */
.btn-edit,
.btn-upload,
.btn-delete,
.btn-add,
.btn-close-form {
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 400;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
}

.btn-edit {
    background: rgba(0, 150, 255, 0.1);
    border: 1px solid rgba(0, 150, 255, 0.3);
    color: rgba(0, 170, 255, 0.9);
}

.btn-edit:hover {
    background: rgba(0, 150, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 150, 255, 0.3);
    transform: scale(1.05);
}

.btn-upload {
    background: rgba(0, 255, 150, 0.1);
    border: 1px solid rgba(0, 255, 150, 0.3);
    color: rgba(0, 255, 136, 0.9);
}

.btn-upload:hover {
    background: rgba(0, 255, 150, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 150, 0.3);
    transform: scale(1.05);
}

.btn-delete {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    color: rgba(255, 68, 68, 0.9);
}

.btn-delete:hover {
    background: rgba(255, 0, 0, 0.2);
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.3);
    transform: scale(1.05);
}

.btn-add {
    background: linear-gradient(
        135deg,
        var(--glass-light) 0%,
        var(--glass-medium) 100%
    );
    border: 1px solid var(--accent-glow);
    color: var(--accent-glow);
    padding: 10px 16px;
    font-size: 1rem;
}

.btn-add:hover {
    background: var(--glass-hover);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    transform: translateY(-2px);
}

.btn-close-form {
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    color: rgba(255, 255, 255, 0.92);
    width: 35px;
    height: 35px;
    padding: 0;
    font-size: 1.5rem;
    line-height: 1;
}

.btn-close-form:hover {
    background: rgba(255, 0, 0, 0.2);
    border-color: rgba(255, 0, 0, 0.5);
    transform: rotate(90deg);
}

.free-card {
    border: 2px dashed var(--glass-border);
    background: var(--glass-dark);
}

.free-card:hover {
    border-color: var(--accent-glow);
    background: var(--glass-medium);
}

/* ============================================
   КОНТЕЙНЕР ФОРМЫ ЗАГРУЗКИ
   ============================================ */
.upload-form-container {
    margin-top: 20px;
    padding: 20px;
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.upload-section {
    margin-bottom: 25px;
    padding: 15px;
    background: var(--glass-dark);
    border-radius: 10px;
}

.upload-section h4 {
    color: rgba(255, 255, 255, 0.92);
    margin: 0 0 15px 0;
    font-size: 1rem;
    font-weight: 400;
}

/* ============================================
   ЛОАДЕР
   ============================================ */
.admin-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.loader-content p {
    color: var(--accent-glow);
    font-size: 1.2rem;
    font-weight: 300;
    margin: 0;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--glass-border);
    border-top-color: var(--accent-glow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   МЕНЕДЖЕР ФАЙЛОВ
   ============================================ */
.file-manager-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 400px;
    overflow-y: auto;
}

.file-manager-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--glass-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.file-manager-item:hover {
    background: var(--glass-light);
    border-color: var(--accent-glow);
}

.btn-view,
.btn-delete-file {
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    min-width: 40px;
}

.btn-view {
    background: rgba(0, 150, 255, 0.1);
    border: 1px solid rgba(0, 150, 255, 0.3);
    color: rgba(0, 170, 255, 0.9);
}

.btn-view:hover {
    background: rgba(0, 150, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 150, 255, 0.3);
    transform: scale(1.05);
}

.btn-delete-file {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.3);
    color: rgba(255, 68, 68, 0.9);
}

.btn-delete-file:hover {
    background: rgba(255, 0, 0, 0.2);
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.3);
    transform: scale(1.05);
}