/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --dark-bg: #0a0a0f;
    --dark-secondary: #1a1a2e;
    --dark-tertiary: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --accent-color: #f39c12;
    --success-color: #2ed573;
    --danger-color: #ff4757;
    --font-primary: 'Poppins', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(to bottom, var(--dark-bg) 0%, var(--dark-secondary) 50%, var(--dark-bg) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* ===== LOGIN SCREEN ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.login-card h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

#login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#login-form input {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

#login-form input:focus {
    outline: none;
    border-color: rgba(102, 126, 234, 0.5);
    background: rgba(255, 255, 255, 0.08);
}

#login-form button {
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

#login-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.login-hint {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.login-hint code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    color: var(--accent-color);
}

.error-message {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: 10px;
    color: var(--danger-color);
    display: none;
}

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

.forgot-password {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    align-self: flex-end;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
    transition: var(--transition-smooth);
}

.forgot-password:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(243, 156, 18, 0.3);
}

/* ===== MODAL / POPUPS ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.modal.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: rgba(26, 26, 46, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 450px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(-20px);
    transition: var(--transition-smooth);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.close-modal:hover {
    color: var(--danger-color);
}

.modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

#forgot-password-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

#forgot-password-form input {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

#forgot-password-form input:focus {
    outline: none;
    border-color: rgba(102, 126, 234, 0.5);
    background: rgba(255, 255, 255, 0.08);
}

.status-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 10px;
    font-size: 0.9rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.status-message.success {
    background: rgba(46, 213, 115, 0.1);
    border: 1px solid rgba(46, 213, 115, 0.3);
    color: var(--success-color);
}

.status-message.error {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--danger-color);
}

.status-message.warning {
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid rgba(243, 156, 18, 0.3);
    color: var(--accent-color);
}

.modal-note {
    font-size: 0.85rem !important;
    opacity: 0.7;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    margin-top: 1rem;
}

.modal-content button.btn-primary {
    width: 100%;
    margin-top: 1rem;
}

/* ===== DASHBOARD ===== */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.admin-header {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-header h1 {
    font-size: 2rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-success {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-danger {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger-color);
    border: 1px solid rgba(255, 71, 87, 0.3);
}

.btn-danger:hover {
    background: rgba(255, 71, 87, 0.3);
    transform: translateY(-2px);
}

.btn-success {
    background: rgba(46, 213, 115, 0.2);
    color: var(--success-color);
    border: 1px solid rgba(46, 213, 115, 0.3);
}

/* ===== TABS ===== */
.admin-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--primary-gradient);
    color: var(--text-primary);
    border-color: transparent;
}

/* ===== CONTENT SECTIONS ===== */
.admin-content {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
}

.content-section {
    display: none;
}

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

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ===== FORMS ===== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group input[type="color"],
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

/* ===== VIDEO CARD STYLES ===== */
.video-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.video-card-header h4 {
    margin-bottom: 0;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.2rem;
}

.btn-delete-video {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: #ff4757;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.btn-delete-video:hover {
    background: rgba(255, 71, 87, 0.2);
    border-color: rgba(255, 71, 87, 0.5);
    transform: scale(1.05);
}

@keyframes highlight {

    0%,
    100% {
        background: rgba(255, 255, 255, 0.03);
    }

    50% {
        background: rgba(102, 126, 234, 0.15);
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    }
}

.form-group input[type="color"] {
    height: 50px;
    cursor: pointer;
    padding: 0.3rem;
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(102, 126, 234, 0.5);
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    resize: vertical;
}

h3.full-width {
    grid-column: 1 / -1;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* ===== VIDEO CARDS ===== */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.video-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    transition: var(--transition-smooth);
}

.video-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(102, 126, 234, 0.3);
}

.video-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.video-card .form-group {
    margin-bottom: 1rem;
}

.video-card .form-group:last-child {
    margin-bottom: 0;
}

/* ===== SERVICES GRID ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
}

.service-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.service-card .form-group {
    margin-bottom: 1rem;
}

/* ===== THEME CARDS ===== */
.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.theme-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.theme-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.theme-card.active {
    border-color: rgba(102, 126, 234, 0.6);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.theme-preview {
    margin-bottom: 1rem;
}

.preview-gradient {
    height: 100px;
    border-radius: 10px;
    margin-bottom: 0.75rem;
}

.preview-colors {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.theme-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.theme-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.theme-check {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 30px;
    height: 30px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition-smooth);
}

.theme-card.active .theme-check {
    opacity: 1;
    transform: scale(1);
}

/* ===== BUTTON GROUP ===== */
.button-group {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* ===== TOAST NOTIFICATION ===== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(46, 213, 115, 0.2);
    border: 1px solid rgba(46, 213, 115, 0.3);
    color: var(--success-color);
    padding: 1rem 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(100px);
    transition: var(--transition-smooth);
    z-index: 1000;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        flex-direction: column;
    }

    .admin-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .videos-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .admin-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .dashboard-container {
        padding: 1rem;
    }

    .admin-header {
        padding: 1.5rem;
    }

    .admin-header h1 {
        font-size: 1.5rem;
    }

    .content-section h2 {
        font-size: 1.5rem;
    }

    .tab-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}