:root {
    /* Reused landing-page (Lavender) palette */
    --lavender-dark: #3a225d;
    --lavender-neon: #b57aff;
    --lavender-glow: #d1aaff;
    --lavender-gradient: linear-gradient(135deg, #3a225d 0%, #b57aff 100%);
    --glass-bg: rgba(58,34,93,0.7);
    --text-light: #fff;
    --text-dark: #1a1a1a;

    /* layout tokens kept from original dashboard file */
    --sidebar-width: 260px;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================== RESET & BASE ================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    /* Use the exact landing page gradient */
    background: var(--lavender-gradient);
    color: var(--text-light);
    overflow-x: hidden;
    min-height: 100vh;
    animation: pageLoad var(--transition-slow) ease-out;
}

/* Page load animation (Framer-like) */
@keyframes pageLoad {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ================== SIDEBAR ================== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    /* sidebar uses deep lavender as base with subtle glass */
    background: var(--lavender-dark);
    border-right: 1px solid rgba(181,122,255,0.12);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid rgba(181,122,255,0.10);
}

.sidebar-header h2 {
    color: var(--lavender-neon);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

/* Nav items reuse the landing-page glass + neon glow for hover/active */
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    color: rgba(230,246,255,0.85); /* slightly muted frost */
    text-decoration: none;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--lavender-neon);
    transition: height var(--transition-normal);
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-light);
    background: rgba(181,122,255,0.06);
    transform: scale(1.05);
    /* neon glow matching landing page */
    box-shadow: 0 0 20px var(--lavender-glow);
}

.nav-item:hover::before,
.nav-item.active::before {
    height: 100%;
}

.nav-icon { font-size: 1.3rem; color: inherit; }
.nav-text { font-size: 1rem; font-weight: 500; color: inherit; }

.sidebar-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid rgba(181,122,255,0.08);
}

.back-link {
    color: rgba(167,199,217,0.9); /* use muted ice gray from landing styling */
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}
.back-link:hover { color: var(--lavender-neon); }

/* ================== MAIN CONTENT ================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: var(--spacing-xl);
    padding-bottom: 100px;
}

/* ================== DASHBOARD HEADER ================== */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    /* match landing page glass background */
    background: var(--glass-bg);
    border-radius: 16px;
    border: 1px solid rgba(181,122,255,0.08);
    animation: cardSlideIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-title { font-size: 1.8rem; font-weight: 600; color: var(--text-light); margin-bottom: var(--spacing-sm); }
.header-greeting { font-size: 1rem; color: rgba(230,246,255,0.85); }

.header-right { display: flex; align-items: center; gap: var(--spacing-lg); }
.current-date { font-size: 0.95rem; color: rgba(230,246,255,0.85); }

/* notification bell: use neon accent on hover */
.notification-bell {
    background: transparent;
    border: 1px solid rgba(181,122,255,0.08);
    color: var(--text-light);
    font-size: 1.3rem;
    padding: 0.5rem 0.8rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}
.notification-bell:hover {
    background: var(--lavender-neon);
    transform: scale(1.06);
    box-shadow: 0 0 18px var(--lavender-glow);
    color: var(--lavender-dark);
}

/* ================== DASHBOARD GRID & CARDS ================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.card {
    background: var(--glass-bg); /* same translucent glass as landing page cards */
    border-radius: 16px;
    border: 1px solid rgba(181,122,255,0.08);
    padding: var(--spacing-lg);
    opacity: 0;
    transform: scale(0.96);
    animation: cardSlideIn var(--transition-slow) forwards;
}

/* staggered card entrance (keeps previous timing) */
@keyframes cardSlideIn { to { opacity: 1; transform: scale(1); } }
.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-lg); }
.card-title { font-size: 1.2rem; font-weight: 600; color: var(--text-light); }
.card-badge {
    background: linear-gradient(90deg, rgba(181,122,255,0.95), rgba(209,170,255,0.9));
    color: var(--lavender-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.card-content { color: rgba(230,246,255,0.9); }

/* ================== FREE TIME SLOTS ================== */
.time-slot {
    background: rgba(58,34,93,0.36); /* lighter glass tone for inner items */
    border: 1px solid rgba(181,122,255,0.08);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}
.time-slot:hover {
    background: rgba(181,122,255,0.06);
    transform: translateX(5px);
    box-shadow: 0 6px 18px var(--lavender-glow);
}
.time-slot-time {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--lavender-neon);
    margin-bottom: var(--spacing-sm);
}
.time-slot-reason { font-size: 0.9rem; color: rgba(230,246,255,0.85); }

/* ================== RECOMMENDED ACTIVITIES ================== */
.activity-card {
    background: rgba(58,34,93,0.36);
    border: 1px solid rgba(181,122,255,0.06);
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}
.activity-card:hover {
    background: rgba(181,122,255,0.05);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px var(--lavender-glow);
}
.activity-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--spacing-md); }
.activity-title { font-size: 1rem; font-weight: 600; color: var(--text-light); margin-bottom: var(--spacing-sm); }
.activity-category {
    background: rgba(181,122,255,0.9); /* uses lavender neon for badge */
    color: var(--lavender-dark);
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}
.activity-duration { font-size: 0.85rem; color: rgba(230,246,255,0.85); margin-bottom: var(--spacing-md); }

/* Start button uses exact landing button color & hover/glow */
.btn-start {
    width: 100%;
    background: var(--lavender-neon);
    color: var(--lavender-dark);
    border: none;
    padding: 0.7rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.btn-start:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 30px var(--lavender-glow);
}
.btn-start:active { transform: scale(0.95); }

/* ================== PRODUCTIVITY INSIGHTS ================== */
.progress-section { margin-bottom: var(--spacing-xl); }
.progress-label { display: flex; justify-content: space-between; margin-bottom: var(--spacing-md); font-size: 0.95rem; color: rgba(230,246,255,0.9); }
.progress-value { font-weight: 700; color: var(--lavender-neon); font-size: 1.3rem; }
.progress-bar { width: 100%; height: 12px; background: rgba(181,122,255,0.05); border-radius: 10px; overflow: hidden; position: relative; }
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lavender-neon), var(--lavender-glow));
    border-radius: 10px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--lavender-glow);
}

/* insights stats */
.insights-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.stat-item { text-align: center; padding: var(--spacing-md); background: rgba(58,34,93,0.25); border-radius: 10px; border: 1px solid rgba(181,122,255,0.06); }
.stat-label { display: block; font-size: 0.8rem; color: rgba(230,246,255,0.8); margin-bottom: var(--spacing-sm); }
.stat-value { display: block; font-size: 1.5rem; font-weight: 700; color: var(--lavender-neon); }

/* ================== INTEGRATIONS ================== */
.integrations-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
.integration-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(58,34,93,0.25);
    border: 1px solid rgba(181,122,255,0.06);
    border-radius: 10px;
    transition: all var(--transition-normal);
}
.integration-item:hover { background: rgba(181,122,255,0.05); transform: scale(1.05); box-shadow: 0 6px 20px var(--lavender-glow); }
.integration-icon { font-size: 2rem; color: rgba(230,246,255,0.95); }
.integration-name { font-size: 0.9rem; font-weight: 600; color: var(--text-light); }
.integration-status { font-size: 0.75rem; color: var(--lavender-neon); }

/* ================== FOOTER ================== */
.dashboard-footer {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    background: rgba(58,34,93,0.9);
    border-top: 1px solid rgba(181,122,255,0.06);
    padding: var(--spacing-lg);
    text-align: center;
    color: rgba(230,246,255,0.85);
    font-size: 0.85rem;
}

/* ================== RESPONSIVE ================== */
@media (max-width: 1024px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .insights-stats { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --sidebar-width: 70px; }
    .sidebar-header h2, .nav-text, .sidebar-footer { display: none; }
    .nav-item { justify-content: center; padding: var(--spacing-md); }
    .nav-icon { font-size: 1.5rem; }
    .main-content { margin-left: 70px; padding: var(--spacing-md); }
    .dashboard-header { flex-direction: column; align-items: flex-start; gap: var(--spacing-md); }
    .header-title { font-size: 1.3rem; }
    .dashboard-footer { left: 70px; }
    .integrations-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .header-right { flex-direction: column; align-items: flex-start; }
}