/* ==================== Admin Panel Styles ==================== */

/* Variables */
:root {
    --admin-primary: #3b82f6;
    --admin-secondary: #8b5cf6;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-background: #f8fafc;
    --admin-surface: #ffffff;
    --admin-text: #1e293b;
    --admin-text-secondary: #64748b;
    --admin-border: #e2e8f0;
    --admin-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --admin-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --admin-radius: 0.5rem;
    --admin-transition: 0.3s;
}

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

body {
    font-family: 'Tajawal', 'Inter', sans-serif;
    background-color: var(--admin-background);
    color: var(--admin-text);
    line-height: 1.6;
}

/* ==================== Login Screen ==================== */
.login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
    padding: 2rem;
}

.login-box {
    background-color: white;
    padding: 3rem;
    border-radius: var(--admin-radius);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--admin-primary);
    margin-bottom: 1rem;
}

.login-header h2 {
    color: var(--admin-text);
    font-size: 1.75rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.login-footer a {
    color: var(--admin-primary);
    text-decoration: none;
    transition: color var(--admin-transition);
}

.login-footer a:hover {
    color: var(--admin-secondary);
}

/* ==================== Admin Panel Layout ==================== */
.admin-panel {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-header {
    background-color: var(--admin-surface);
    box-shadow: var(--admin-shadow);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header h1 {
    font-size: 1.5rem;
    color: var(--admin-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-header-right {
    display: flex;
    gap: 1rem;
}

/* ==================== Tabs Navigation ==================== */
.admin-tabs {
    background-color: var(--admin-surface);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    overflow-x: auto;
    padding: 0 2rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--admin-text-secondary);
    border-bottom: 3px solid transparent;
    transition: all var(--admin-transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    color: var(--admin-primary);
    background-color: var(--admin-background);
}

.tab-btn.active {
    color: var(--admin-primary);
    border-bottom-color: var(--admin-primary);
}

/* ==================== Main Content ==================== */
.admin-content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.tab-header h2 {
    font-size: 1.75rem;
}

/* ==================== Forms ==================== */
.admin-form {
    background-color: var(--admin-surface);
    padding: 2rem;
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--admin-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 1rem;
    transition: all var(--admin-transition);
    font-family: 'Tajawal', 'Inter', sans-serif;
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--admin-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--admin-transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--admin-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
    box-shadow: var(--admin-shadow-md);
}

.btn-secondary {
    background-color: var(--admin-text-secondary);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-success {
    background-color: var(--admin-success);
    color: white;
}

.btn-danger {
    background-color: var(--admin-danger);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-outline {
    background-color: transparent;
    color: var(--admin-primary);
    border: 2px solid var(--admin-primary);
}

.btn-outline:hover {
    background-color: var(--admin-primary);
    color: white;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ==================== File Upload ==================== */
.file-upload {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
}

.file-upload input[type="file"] {
    display: none;
}

/* ==================== Color Inputs ==================== */
.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.color-input {
    width: 100%;
    height: 60px;
    border: 2px solid var(--admin-border);
    border-radius: var(--admin-radius);
    cursor: pointer;
}

/* ==================== Items List ==================== */
.items-list {
    display: grid;
    gap: 1.5rem;
}

.item-card {
    background-color: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 1.5rem;
    box-shadow: var(--admin-shadow);
    transition: all var(--admin-transition);
}

.item-card:hover {
    box-shadow: var(--admin-shadow-md);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.item-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--admin-text);
}

.item-actions {
    display: flex;
    gap: 0.5rem;
}

.item-form {
    margin-top: 1rem;
}

/* ==================== Backup Section ==================== */
.backup-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.backup-card {
    background-color: var(--admin-surface);
    padding: 2rem;
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    text-align: center;
}

.backup-card i {
    font-size: 3rem;
    color: var(--admin-primary);
    margin-bottom: 1rem;
}

.backup-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.backup-card p {
    color: var(--admin-text-secondary);
    margin-bottom: 1.5rem;
}

/* ==================== Toast Notification ==================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--admin-text);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow-md);
    display: none;
    align-items: center;
    gap: 0.75rem;
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
}

.toast.show {
    display: flex;
}

.toast.success {
    background-color: var(--admin-success);
}

.toast.error {
    background-color: var(--admin-danger);
}

.toast.warning {
    background-color: var(--admin-warning);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==================== Error Message ==================== */
.error-message {
    color: var(--admin-danger);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
}

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

/* ==================== Loading Spinner ==================== */
.spinner-border {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .admin-header-right {
        width: 100%;
        justify-content: space-between;
    }

    .admin-tabs {
        padding: 0 1rem;
    }

    .admin-content {
        padding: 1rem;
    }

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

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

    .backup-section {
        grid-template-columns: 1fr;
    }

    .file-upload {
        grid-template-columns: 1fr;
    }

    .tab-btn {
        padding: 1rem;
        font-size: 0.875rem;
    }

    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
}

/* ==================== Additional Utilities ==================== */
.text-muted {
    color: var(--admin-text-secondary);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}