/* ============================================
   TimeFlow Pro - Layout Styles
   Main app layout structure
   ============================================ */

/* ─────────────────────────────────────────
   Auth Layout (Login/Register)
   ───────────────────────────────────────── */

.auth-layout {
    min-height: 100vh;
    display: flex;
}

.auth-layout-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-8);
    max-width: 540px;
    margin: 0 auto;
}

.auth-layout-right {
    flex: 1;
    background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-900) 100%);
    display: none;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .auth-layout-right {
        display: flex;
    }
}

.auth-layout-right::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-30px);
    }
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.auth-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
}

.auth-logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.auth-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.auth-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.auth-form {
    width: 100%;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

.auth-footer {
    margin-top: var(--space-6);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.auth-footer a {
    color: var(--color-primary-600);
    font-weight: var(--font-weight-medium);
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ─────────────────────────────────────────
   Main App Layout
   ───────────────────────────────────────── */

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ─────────────────────────────────────────
   Sidebar
   ───────────────────────────────────────── */

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: var(--z-fixed);
    transition: transform var(--transition-normal);
}

@media (max-width: 1023px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
}

.sidebar-header {
    padding: var(--space-5) var(--space-5);
    border-bottom: 1px solid var(--color-border-light);
}

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

.sidebar-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

.sidebar-logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-800);
}

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

.sidebar-section {
    margin-bottom: var(--space-6);
}

.sidebar-section-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-2);
}

.sidebar-nav-item {
    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);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    margin-bottom: var(--space-1);
}

.sidebar-nav-item:hover {
    background-color: var(--color-neutral-100);
    color: var(--color-text-primary);
}

.sidebar-nav-item.active {
    background-color: var(--color-primary-100);
    color: var(--color-primary-700);
}

.sidebar-nav-item.active .sidebar-nav-icon {
    color: var(--color-primary-600);
}

.sidebar-nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-nav-badge {
    margin-left: auto;
    background-color: var(--color-primary-600);
    color: var(--color-text-inverse);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

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

.sidebar-footer-promo {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    color: var(--color-text-inverse);
    text-align: center;
}

.sidebar-footer-promo-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
}

.sidebar-footer-promo-text {
    font-size: var(--font-size-xs);
    opacity: 0.8;
    margin-bottom: var(--space-4);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

/* ─────────────────────────────────────────
   Main Content Area
   ───────────────────────────────────────── */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

@media (max-width: 1023px) {
    .main-content {
        margin-left: 0;
    }
}

/* ─────────────────────────────────────────
   Header
   ───────────────────────────────────────── */

.header {
    height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

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

.header-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
}

@media (max-width: 1023px) {
    .header-menu-btn {
        display: flex;
    }
}

.header-menu-btn:hover {
    background-color: var(--color-neutral-100);
}

.header-search {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-neutral-100);
    border-radius: var(--radius-lg);
    padding: var(--space-2) var(--space-4);
    min-width: 280px;
}

.header-search-icon {
    color: var(--color-text-tertiary);
    width: 18px;
    height: 18px;
}

.header-search-input {
    background: none;
    border: none;
    outline: none;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    width: 100%;
}

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

.header-search-shortcut {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    background-color: var(--color-surface);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

@media (max-width: 767px) {
    .header-search {
        display: none;
    }
}

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

.header-icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    position: relative;
}

.header-icon-btn:hover {
    background-color: var(--color-neutral-100);
    color: var(--color-text-primary);
}

.header-icon-btn-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background-color: var(--color-error);
    border-radius: var(--radius-full);
    border: 2px solid var(--color-surface);
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    padding-right: var(--space-4);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.header-user:hover {
    background-color: var(--color-neutral-100);
}

.header-user-info {
    text-align: right;
}

@media (max-width: 639px) {
    .header-user-info {
        display: none;
    }
}

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

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

/* ─────────────────────────────────────────
   Page Content
   ───────────────────────────────────────── */

.page-content {
    flex: 1;
    padding: var(--space-6);
    max-width: var(--content-max-width);
    width: 100%;
    margin: 0 auto;
}

@media (max-width: 639px) {
    .page-content {
        padding: var(--space-4);
    }
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.page-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-top: var(--space-1);
}

.page-actions {
    display: flex;
    gap: var(--space-3);
}

/* ─────────────────────────────────────────
   Dashboard Grid
   ───────────────────────────────────────── */

.dashboard-grid {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: repeat(4, 1fr);
    grid-template-areas:
        "kpi1 kpi2 kpi3 kpi4"
        "chart chart tracker tracker"
        "reminders reminders projects projects";
}

@media (max-width: 1279px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-areas:
            "kpi1 kpi2"
            "kpi3 kpi4"
            "tracker tracker"
            "chart chart"
            "reminders reminders"
            "projects projects";
    }
}

@media (max-width: 639px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "tracker"
            "kpi1"
            "kpi2"
            "kpi3"
            "kpi4"
            "chart"
            "reminders"
            "projects";
    }
}

.dashboard-grid>.kpi-card:nth-child(1) {
    grid-area: kpi1;
}

.dashboard-grid>.kpi-card:nth-child(2) {
    grid-area: kpi2;
}

.dashboard-grid>.kpi-card:nth-child(3) {
    grid-area: kpi3;
}

.dashboard-grid>.kpi-card:nth-child(4) {
    grid-area: kpi4;
}

.dashboard-grid>.chart-card {
    grid-area: chart;
}

.dashboard-grid>.time-tracker {
    grid-area: tracker;
}

.dashboard-grid>.reminders-card {
    grid-area: reminders;
}

.dashboard-grid>.projects-card {
    grid-area: projects;
}

/* ─────────────────────────────────────────
   User Dropdown
   ───────────────────────────────────────── */

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    min-width: 200px;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.dropdown-menu.active {
    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);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast);
}

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-item:hover {
    background-color: var(--color-neutral-100);
    color: var(--color-text-primary);
}

.dropdown-item--danger:hover {
    background-color: var(--color-error-light);
    color: var(--color-error);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-border-light);
    margin: var(--space-2) 0;
}