/* Modern Enhanced Buttons & UI Components */
/* Uses CSS variables from theme-system.css for Dark/Light mode support */

/* Button Variants - All Modern Styles */
.btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
    text-transform: none;
    font-family: var(--font-fa, 'Vazirmatn', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
}

/* Primary Button - Vibrant Purple to Indigo */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-dark) 100%);
    color: var(--text-on-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-shadow: none;
    box-shadow: var(--shadow-button);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.4s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-button-hover);
    color: var(--text-on-accent);
    text-decoration: none;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(-1px);
}

/* Secondary Button - Cyan Accent */
.btn-secondary {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-secondary-dark) 100%);
    color: var(--text-on-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(var(--accent-secondary-rgb), 0.3);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.4s ease;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(var(--accent-secondary-rgb), 0.5);
    color: var(--text-on-accent);
    text-decoration: none;
}

.btn-secondary:hover::before {
    left: 100%;
}

/* Success Button - Green */
.btn-success {
    background: linear-gradient(135deg, var(--accent-success) 0%, #059669 100%);
    color: var(--text-on-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(var(--accent-success-rgb), 0.3);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(var(--accent-success-rgb), 0.5);
    color: var(--text-on-accent);
    text-decoration: none;
}

/* Danger Button - Red */
.btn-danger {
    background: linear-gradient(135deg, var(--accent-danger) 0%, #dc2626 100%);
    color: var(--text-on-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(var(--accent-danger-rgb), 0.3);
}

.btn-danger:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(var(--accent-danger-rgb), 0.5);
    color: var(--text-on-accent);
    text-decoration: none;
}

/* Warning Button - Amber */
.btn-warning {
    background: linear-gradient(135deg, var(--accent-warning) 0%, #d97706 100%);
    color: var(--text-on-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(var(--accent-warning-rgb), 0.3);
}

.btn-warning:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(var(--accent-warning-rgb), 0.5);
    color: var(--text-on-accent);
    text-decoration: none;
}

/* Outline Button */
.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-secondary);
    color: var(--accent-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-outline:hover {
    background: rgba(var(--accent-secondary-rgb), 0.15);
    color: var(--accent-secondary);
    text-decoration: none;
    box-shadow: 0 0 20px rgba(var(--accent-secondary-rgb), 0.4);
}

/* Ghost Button - Transparent */
.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-ghost:hover {
    background: rgba(var(--accent-primary-rgb), 0.15);
    border-color: rgba(var(--accent-primary-rgb), 0.6);
    color: var(--text-primary);
    text-decoration: none;
}

/* Large Button */
.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
    border-radius: 14px;
}

/* Small Button */
.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: 8px;
}

/* Icon Button */
.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Button Groups */
.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Loading State */
.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn.loading {
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
}

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

/* Menu Items - Modern */
.menu-item {
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    border-radius: 10px;
    border-left: 3px solid transparent;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.menu-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-left-color: var(--accent-primary);
    padding-left: 20px;
    text-decoration: none;
}

.menu-item.active {
    background: rgba(var(--accent-primary-rgb), 0.2);
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
}

.menu-item i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

/* Input Fields - Modern */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    background: var(--bg-input);
    border: 1px solid var(--border-primary);
    color: var(--text-primary) !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    caret-color: var(--text-primary) !important;
    padding: 12px 16px;
    border-radius: 10px;
    font-family: var(--font-fa, 'Vazirmatn', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
input[type="number"]::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    background: var(--bg-input-focus);
    border-color: rgba(var(--accent-primary-rgb), 0.6);
    box-shadow: 0 0 15px rgba(var(--accent-primary-rgb), 0.2);
    color: var(--text-primary) !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    caret-color: var(--text-primary) !important;
}

/* Dropdown Menu */
.dropdown-menu {
    background: var(--dropdown-bg);
    border: 1px solid var(--dropdown-border);
    border-radius: 12px;
    box-shadow: var(--shadow-card);
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 12px 16px;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: var(--dropdown-hover);
    color: var(--text-primary);
}

/* Alert Boxes */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: var(--alert-success-bg);
    color: var(--accent-success);
    border-left-color: var(--accent-success);
}

.alert-danger {
    background: var(--alert-danger-bg);
    color: var(--accent-danger);
    border-left-color: var(--accent-danger);
}

.alert-warning {
    background: var(--alert-warning-bg);
    color: var(--accent-warning);
    border-left-color: var(--accent-warning);
}

.alert-info {
    background: var(--alert-info-bg);
    color: var(--accent-info);
    border-left-color: var(--accent-info);
}

/* Table Styling */
table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--table-header-bg);
}

th {
    padding: 12px 16px;
    text-align: right;
    font-weight: 700;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--table-border);
    letter-spacing: 0.3px;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--table-row-border);
    color: var(--text-secondary);
}

tr:hover {
    background: var(--table-hover-bg);
}

/* Badge Styles */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    display: inline-block;
    border: 1px solid;
}

.badge-primary {
    background: var(--badge-primary-bg);
    color: var(--accent-primary);
    border-color: var(--badge-primary-border);
}

.badge-success {
    background: var(--badge-success-bg);
    color: var(--accent-success);
    border-color: var(--badge-success-border);
}

.badge-danger {
    background: var(--badge-danger-bg);
    color: var(--accent-danger);
    border-color: var(--badge-danger-border);
}

/* Responsive */
@media (max-width: 768px) {
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 12px 24px;
    }
    
    .menu-item {
        padding: 10px 12px;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    th, td {
        padding: 8px 12px;
    }
}