/* ============================================
   FinanceOS Component Styles
   ============================================ */

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    z-index: var(--z-sticky);
    transition: width var(--transition-base);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-5) var(--space-4);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.logo-icon i {
    font-size: var(--text-xl);
    color: white;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    white-space: nowrap;
    transition: opacity var(--transition-base);
}

.sidebar.collapsed .logo-text {
    opacity: 0;
    width: 0;
}

.sidebar-toggle {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border-color: var(--glass-border-hover);
}

.sidebar-toggle i {
    transition: transform var(--transition-base);
}

.sidebar.collapsed .sidebar-toggle i {
    transform: rotate(180deg);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-4) var(--space-3);
}

.nav-section {
    margin-bottom: var(--space-5);
}

.nav-label {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    white-space: nowrap;
    transition: opacity var(--transition-base);
}

.sidebar.collapsed .nav-label {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.nav-item {
    position: relative;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover,
.nav-item.active .nav-link {
    background: var(--glass-bg-hover);
    color: var(--color-text-primary);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.nav-link span {
    transition: opacity var(--transition-base);
}

.sidebar.collapsed .nav-link span {
    opacity: 0;
    width: 0;
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--glass-border);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-emerald);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.user-avatar i {
    font-size: var(--text-lg);
    color: white;
}

.user-info {
    display: flex;
    flex-direction: column;
    transition: opacity var(--transition-base);
}

.sidebar.collapsed .user-info {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.user-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

.user-role {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.greeting h1 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-1);
}

.greeting-subtext {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.header-center {
    flex: 1;
    max-width: 500px;
    margin: 0 var(--space-6);
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2) var(--space-4);
    transition: all var(--transition-fast);
}

.search-bar:focus-within {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-bar i {
    color: var(--color-text-tertiary);
    margin-right: var(--space-3);
}

.search-bar input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--text-sm);
}

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

.search-shortcut {
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    color: var(--color-text-tertiary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.datetime {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-right: var(--space-4);
}

.time {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
}

.date {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

.header-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    position: relative;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border-color: var(--glass-border-hover);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-error);
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: var(--font-bold);
    color: white;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-5) var(--space-4);
    border-bottom: 1px solid var(--glass-border);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

.card-body {
    padding: var(--space-5);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
}

/* Stat Card */
.stat-card {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

.stat-icon i {
    font-size: var(--text-xl);
    color: white;
}

.stat-icon.emerald {
    background: var(--gradient-emerald);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.stat-trend.up {
    color: var(--color-emerald-400);
}

.stat-trend.down {
    color: var(--color-error);
}

.stat-value {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Content Card */
.content-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.content-card:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
}

.content-card-image {
    width: 80px;
    height: 100px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-shrink: 0;
}

.content-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.content-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.content-card-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    line-height: var(--leading-snug);
}

.content-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.content-card-progress {
    margin-top: auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
}

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

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    padding-right: var(--space-10);
}

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    z-index: calc(var(--z-modal) + 1);
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--glass-border);
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--glass-border);
    background: var(--color-bg-tertiary);
}

/* ============================================
   TOASTS
   ============================================ */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    z-index: var(--z-toast);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    animation: toast-slide-in 0.3s ease;
}

@keyframes toast-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-emerald-400);
}

.toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.toast-warning .toast-icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.toast-info .toast-icon {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-info);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

.toast-message {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

.toast-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

/* ============================================
   TABS
   ============================================ */
.tabs {
    display: flex;
    gap: var(--space-1);
    padding: var(--space-1);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-xl);
    width: fit-content;
}

.tab {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.tab.active {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

/* ============================================
   DROPDOWN
   ============================================ */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 200px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.dropdown-item i {
    width: 20px;
    text-align: center;
}

/* ============================================
   SHORTCUTS MODAL
   ============================================ */
.shortcuts-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 500px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    z-index: calc(var(--z-modal) + 10);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.shortcuts-modal.active {
    opacity: 1;
    visibility: visible;
}

.shortcuts-modal h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
    text-align: center;
}

.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
}

.shortcut-item kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 var(--space-2);
    background: var(--color-bg-elevated);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
}

.shortcut-item span {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}