/* ==========================================================================
   INCLUSIV DESIGN SYSTEM — Layout
   Sidebar, Grid System, Responsive Breakpoints
   ========================================================================== */

/* ==========================================================================
   APP LAYOUT
   ========================================================================== */

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

/* ==========================================================================
   SIDEBAR (Desktop)
   ========================================================================== */

.iv-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 2px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform var(--transition-base), width var(--transition-base);
    overflow-y: auto;
    overflow-x: hidden;
}

/* Sidebar brand */
.iv-sidebar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-bottom: 3px solid var(--color-accent);
    background: var(--color-primary);
    text-decoration: none;
    color: white;
    flex-shrink: 0;
}

.iv-sidebar__brand-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    flex-shrink: 0;
}

.iv-sidebar__brand-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    color: white;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.iv-sidebar__brand-sub {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    display: block;
    margin-top: 2px;
}

/* Sidebar navigation */
.iv-sidebar__nav {
    flex: 1;
    padding: var(--space-md) 0;
    display: flex;
    flex-direction: column;
}

.iv-sidebar__section {
    margin-bottom: var(--space-sm);
}

.iv-sidebar__section-label {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
}

.iv-sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    min-height: 44px;
}

.iv-sidebar__link:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
    border-left-color: var(--color-border-strong);
}

.iv-sidebar__link.active {
    color: var(--color-accent);
    background: var(--color-accent-surface);
    border-left-color: var(--color-accent);
    font-weight: 600;
}

.iv-sidebar__link:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: -3px;
    border-radius: 2px;
}

.iv-sidebar__link i,
.iv-sidebar__link .fa,
.iv-sidebar__link .fas,
.iv-sidebar__link .far,
.iv-sidebar__link .fab {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.iv-sidebar__link-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Sidebar footer (user section) */
.iv-sidebar__footer {
    border-top: 2px solid var(--color-border);
    padding: var(--space-md) var(--space-lg);
    flex-shrink: 0;
}

.iv-sidebar__user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.iv-sidebar__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.875rem;
    color: white;
    flex-shrink: 0;
}

.iv-sidebar__user-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.iv-sidebar__username {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.iv-sidebar__role {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.iv-sidebar__role-link {
    color: inherit;
    text-decoration: none;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font: inherit;
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    display: inline;
    vertical-align: baseline;
}

.iv-sidebar__role-link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.iv-sidebar__role-btn {
    /* button-specific reset — inherits all text styles from role-link */
    line-height: inherit;
}

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */

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

.iv-content {
    flex: 1;
    padding: var(--space-xl) var(--space-2xl);
    max-width: 1400px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* Page header */
.iv-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.iv-page-header h1,
.iv-page-header h2 {
    margin: 0;
}

.iv-page-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.iv-footer {
    padding: var(--space-lg) var(--space-2xl);
    border-top: 2px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    flex-shrink: 0;
}

.iv-footer p {
    margin: 0;
    color: var(--color-text-muted);
}

.iv-footer p + p {
    margin-top: var(--space-xs);
}

/* ==========================================================================
   MOBILE SIDEBAR TOGGLE
   ========================================================================== */

.iv-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 1050;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    border: 3px solid var(--color-accent);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    align-items: center;
    justify-content: center;
}

.iv-sidebar-toggle:hover {
    background: var(--color-primary-light);
    transform: scale(1.05);
}

.iv-sidebar-toggle:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Overlay for mobile sidebar */
.iv-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 18, 25, 0.7);
    z-index: 1039;
    backdrop-filter: blur(2px);
}

.iv-sidebar-overlay.active {
    display: block;
}

/* ==========================================================================
   MOBILE BOTTOM TAB BAR
   ========================================================================== */

.iv-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 2px solid var(--color-border);
    z-index: 1035;
    padding: var(--space-xs) 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.iv-bottom-bar__items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
}

.iv-bottom-bar__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--space-xs) var(--space-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
    min-width: 56px;
    min-height: 44px;
    justify-content: center;
}

.iv-bottom-bar__link i {
    font-size: 1.125rem;
}

.iv-bottom-bar__link:hover,
.iv-bottom-bar__link.active {
    color: var(--color-accent);
}

.iv-bottom-bar__link:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: -2px;
    border-radius: 4px;
}

/* ==========================================================================
   METRIC GRID
   ========================================================================== */

.iv-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

/* ==========================================================================
   RESPONSIVE GRID HELPERS
   ========================================================================== */

.iv-grid {
    display: grid;
    gap: var(--space-lg);
}

.iv-grid--2 { grid-template-columns: repeat(2, 1fr); }
.iv-grid--3 { grid-template-columns: repeat(3, 1fr); }
.iv-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */

/* Tablet: collapsed sidebar */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 72px;
    }

    .iv-sidebar__brand-text,
    .iv-sidebar__brand-sub,
    .iv-sidebar__section-label,
    .iv-sidebar__link-text,
    .iv-sidebar__user-info,
    .iv-sidebar__role {
        display: none;
    }

    .iv-sidebar__brand {
        justify-content: center;
        padding: var(--space-lg) var(--space-sm);
    }

    .iv-sidebar__link {
        justify-content: center;
        padding: var(--space-md);
        border-left: none;
        border-bottom: 3px solid transparent;
    }

    .iv-sidebar__link:hover {
        border-left: none;
        border-bottom-color: var(--color-border-strong);
    }

    .iv-sidebar__link.active {
        border-left: none;
        border-bottom-color: var(--color-accent);
    }

    .iv-sidebar__link i {
        font-size: 1.125rem;
    }

    .iv-sidebar__footer {
        padding: var(--space-md) var(--space-sm);
        display: flex;
        justify-content: center;
    }

    .iv-sidebar__user {
        justify-content: center;
    }

    .iv-content {
        padding: var(--space-lg);
    }

    .iv-footer {
        padding: var(--space-lg);
    }

    .iv-grid--3 { grid-template-columns: repeat(2, 1fr); }
    .iv-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile: sidebar hidden, bottom bar shown */
@media (max-width: 767.98px) {
    .iv-sidebar {
        transform: translateX(-100%);
        width: 260px;
    }

    .iv-sidebar.open {
        transform: translateX(0);
    }

    /* Show all sidebar text when open on mobile */
    .iv-sidebar.open .iv-sidebar__brand-text,
    .iv-sidebar.open .iv-sidebar__brand-sub,
    .iv-sidebar.open .iv-sidebar__section-label,
    .iv-sidebar.open .iv-sidebar__link-text,
    .iv-sidebar.open .iv-sidebar__user-info,
    .iv-sidebar.open .iv-sidebar__role {
        display: block;
    }

    .iv-sidebar.open .iv-sidebar__brand {
        justify-content: flex-start;
        padding: var(--space-lg);
    }

    .iv-sidebar.open .iv-sidebar__link {
        justify-content: flex-start;
        padding: var(--space-sm) var(--space-lg);
        border-left: 3px solid transparent;
        border-bottom: none;
    }

    .iv-sidebar.open .iv-sidebar__link:hover {
        border-left-color: var(--color-border-strong);
        border-bottom: none;
    }

    .iv-sidebar.open .iv-sidebar__link.active {
        border-left-color: var(--color-accent);
        border-bottom: none;
    }

    .iv-sidebar.open .iv-sidebar__footer {
        padding: var(--space-md) var(--space-lg);
        justify-content: flex-start;
    }

    .iv-main {
        margin-left: 0;
    }

    .iv-content {
        padding: var(--space-md);
        padding-bottom: calc(var(--space-xl) + 70px);
    }

    .iv-footer {
        padding: var(--space-md);
        padding-bottom: calc(var(--space-md) + 70px);
    }

    .iv-sidebar-toggle {
        display: flex;
    }

    .iv-bottom-bar {
        display: block;
    }

    .iv-page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .iv-page-header__actions {
        width: 100%;
    }

    .iv-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .iv-grid--2,
    .iv-grid--3,
    .iv-grid--4 {
        grid-template-columns: 1fr;
    }

    /* Stack filter controls */
    .iv-filter-toolbar .row > [class*="col-"] {
        margin-bottom: var(--space-sm);
    }
}

/* Small mobile */
@media (max-width: 374.98px) {
    .iv-metrics-grid {
        grid-template-columns: 1fr;
    }

    .iv-content {
        padding: var(--space-sm);
        padding-bottom: calc(var(--space-xl) + 70px);
    }
}

/* ==========================================================================
   DASHBOARD LAYOUT HELPERS
   ========================================================================== */

/* Dashboard section spacing */
.iv-dashboard-section {
    margin-bottom: var(--space-2xl);
}

/* Section divider label */
.iv-section-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    color: var(--color-text-muted);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.iv-section-divider::before {
    display: none;
}
.iv-section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* Two-column activity zone */
.iv-activity-zone {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}
@media (min-width: 1200px) {
    .iv-activity-zone {
        grid-template-columns: 1fr 200px;
        align-items: start;
    }
}

/* Calendar card: allow horizontal scroll if the grid is wider than the column */
.iv-activity-zone > .iv-card {
    min-width: 0; /* prevent grid item from blowing out the column */
    margin-bottom: 0; /* spacing handled by activity-zone gap */
}

/* Reset card margin inside Bootstrap columns (cols handle their own spacing) */
[class*="col-"] > .iv-card,
[class~="col"] > .iv-card {
    margin-bottom: 0;
}
.iv-activity-zone > .iv-card > .iv-card-body {
    overflow-x: auto;
}

/* Quick stats panel inside activity zone */
.iv-quick-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.iv-quick-stat {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface-raised);
    border: 2px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--border-radius-md);
}
.iv-quick-stat__label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}
.iv-quick-stat__value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--color-accent);
    line-height: 1.1;
}
.iv-quick-stat__sub {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Collapsible date filter row */
.iv-date-filter-row {
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    max-height: 200px;
    opacity: 1;
}
.iv-date-filter-row.is-collapsed {
    max-height: 0;
    opacity: 0;
}

/* ==========================================================================
   LOGIN PAGE LAYOUT (no sidebar)
   ========================================================================== */

.iv-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--color-bg);
    position: relative;
}

.iv-login-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.iv-login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.iv-login-header {
    padding: var(--space-xl) var(--space-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-bottom: 3px solid var(--color-accent);
    text-align: center;
}

.iv-login-header h1 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: 0.05em;
    color: white;
    margin: 0 0 var(--space-xs) 0;
}

.iv-login-header p {
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

.iv-login-body {
    padding: var(--space-xl) var(--space-lg);
}

.iv-login-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 2px solid var(--color-border);
    background: var(--color-surface-raised);
    text-align: center;
}

.iv-login-footer small {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}