/* ===================================
   COMPONENT STYLES
   =================================== */

/* Cards */
.card {
    background: var(--bg-panel);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--brand);
}

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

.card-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-glass);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-main);
    border-color: var(--brand);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

.btn-icon {
    padding: 0.75rem;
    border-radius: var(--radius-full);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Input Fields */
.input-group {
    margin-bottom: var(--spacing-md);
}

.input-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.input,
.textarea,
.select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--text-base);
    font-family: var(--font-family);
    background: var(--bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.input:focus,
.textarea:focus,
.select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input::placeholder {
    color: var(--text-tertiary);
}

.textarea {
    resize: vertical;
    min-height: 120px;
}

.input-icon {
    position: relative;
}

.input-icon .input {
    padding-left: 2.75rem;
}

.input-icon-element {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem 0.85rem;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: transform var(--transition-fast);
}

.badge:hover {
    transform: scale(1.05);
}

.badge-primary {
    background: rgba(59, 130, 246, 0.2);
    color: hsl(220, 85%, 50%);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: hsl(145, 70%, 38%);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.25);
    color: hsl(40, 100%, 35%);
    border: 1px solid rgba(251, 191, 36, 0.4);
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: hsl(0, 75%, 48%);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: hsl(210, 90%, 50%);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.5) 50%,
            transparent 100%);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* Progress bar sizes */
.progress-bar-lg {
    height: 14px;
}

.progress-bar-sm {
    height: 6px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease-out;
}

.modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: scaleIn 0.3s ease-out;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: var(--text-2xl);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 2px solid var(--bg-elevated);
    margin-bottom: var(--spacing-lg);
}

.tab {
    padding: 0.75rem 1.5rem;
    font-weight: var(--font-semibold);
    color: var(--text-tertiary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tab:hover {
    color: var(--text-secondary);
}

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

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    animation: slideInRight 0.3s ease-out;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border-left: 4px solid var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.1);
    border-left: 4px solid var(--warning);
    color: var(--warning);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--error);
    color: var(--error);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid var(--info);
    color: var(--info);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.toast {
    background: var(--bg-elevated);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    animation: slideInRight 0.3s ease-out;
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
}

.toast-success {
    border-left-color: var(--success);
}

.toast-error {
    border-left-color: var(--error);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg-elevated);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* Table */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    background: var(--bg-elevated);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.table td {
    padding: var(--spacing-md);
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.table tr:last-child td {
    border-bottom: none;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.05);
    margin: 0.5rem 0;
}

/* Checkbox & Radio */
.checkbox,
.radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox input[type="checkbox"],
.radio input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Avatar */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    color: white;
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--text-sm);
}

.avatar-lg {
    width: 64px;
    height: 64px;
    font-size: var(--text-xl);
}

/* Stats Card */
.stat-card {
    background: var(--bg-panel);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover {
    border-color: var(--brand);
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-value {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    line-height: 1.1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: var(--font-medium);
}

.stat-change {
    font-size: var(--text-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--error);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.empty-state-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-lg);
}