/* ==========================================================================
   HotelOS — Enterprise SaaS UI Design System
   Primary Navy: #172B4D | Primary Purple: #6C5CE7 | Primary Blue: #4F7CFF
   Background: #F6F8FB | Surface: #FFFFFF | Border: #E2E8F0
   ========================================================================== */

:root {
    --hos-navy: #172B4D;
    --hos-navy-dark: #0F1E36;
    --hos-navy-light: #243B67;
    --hos-purple: #6C5CE7;
    --hos-purple-hover: #5A4AD1;
    --hos-purple-soft: rgba(108, 92, 231, 0.12);
    --hos-blue: #4F7CFF;
    --hos-blue-hover: #3B66E8;
    --hos-blue-soft: rgba(79, 124, 255, 0.12);
    --hos-bg: #F6F8FB;
    --hos-surface: #FFFFFF;
    --hos-text: #172B4D;
    --hos-muted: #64748B;
    --hos-border: #E2E8F0;
    --hos-success: #10B981;
    --hos-success-soft: rgba(16, 185, 129, 0.12);
    --hos-warning: #F59E0B;
    --hos-warning-soft: rgba(245, 158, 11, 0.14);
    --hos-danger: #EF4444;
    --hos-danger-soft: rgba(239, 68, 68, 0.12);
    --hos-sidebar-width: 268px;
    --hos-sidebar-collapsed-width: 78px;
    --hos-topbar-height: 68px;
    --hos-radius: 14px;
    --hos-radius-sm: 10px;
    --hos-shadow: 0 4px 20px rgba(23, 43, 77, 0.04);
    --hos-shadow-md: 0 10px 30px rgba(23, 43, 77, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--hos-bg);
    color: var(--hos-text);
    font-family: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.925rem;
    line-height: 1.5;
    overflow-x: hidden;
    margin: 0;
}

a {
    text-decoration: none;
    color: var(--hos-blue);
    transition: all 0.18s ease;
}

/* --------------------------------------------------------------------------
   App Shell: Sidebar + Main Wrapper
   -------------------------------------------------------------------------- */
.hos-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.hos-sidebar {
    width: var(--hos-sidebar-width);
    background: linear-gradient(180deg, var(--hos-navy) 0%, var(--hos-navy-dark) 100%);
    color: #FFFFFF;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s ease;
    box-shadow: 4px 0 24px rgba(15, 30, 54, 0.15);
}

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

.hos-sidebar-brand {
    height: var(--hos-topbar-height);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.hos-brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #FFFFFF;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
}

.hos-brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--hos-purple) 0%, var(--hos-blue) 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.4);
}

body.sidebar-collapsed .hos-brand-text,
body.sidebar-collapsed .hos-nav-section-title,
body.sidebar-collapsed .hos-nav-label,
body.sidebar-collapsed .hos-nav-badge,
body.sidebar-collapsed .hos-sidebar-footer-info {
    display: none !important;
}

body.sidebar-collapsed .hos-logo-plate {
    padding: 4px !important;
    height: 40px !important;
}

body.sidebar-collapsed .hos-logo-plate img {
    max-width: 44px !important;
    max-height: 30px !important;
}

.hos-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 12px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

.hos-nav-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.42);
    font-weight: 700;
    padding: 14px 12px 6px;
}

.hos-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 13px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    font-size: 0.89rem;
    margin-bottom: 3px;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.hos-nav-item svg {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
    opacity: 0.85;
}

.hos-nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
}

.hos-nav-item.active {
    background: linear-gradient(135deg, var(--hos-purple) 0%, var(--hos-blue) 100%);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
}

.hos-nav-item.active svg {
    opacity: 1;
}

.hos-nav-subitem {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px 7px 34px;
    border-radius: 8px;
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.hos-nav-subitem svg {
    width: 14px;
    height: 14px;
    opacity: 0.75;
}

.hos-nav-subitem:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
}

.hos-nav-subitem.active {
    background: rgba(108, 92, 231, 0.22);
    color: #A5B4FC;
    font-weight: 600;
}

.hos-sidebar-footer {
    padding: 14px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* --------------------------------------------------------------------------
   Main Content Area & Top Navigation Bar
   -------------------------------------------------------------------------- */
.hos-main {
    flex: 1;
    margin-left: var(--hos-sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body.sidebar-collapsed .hos-main {
    margin-left: var(--hos-sidebar-collapsed-width);
}

.hos-topbar {
    height: var(--hos-topbar-height);
    background: var(--hos-surface);
    border-bottom: 1px solid var(--hos-border);
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1020;
    gap: 16px;
}

.hos-search-box {
    position: relative;
    max-width: 340px;
    width: 100%;
}

.hos-search-box input {
    background: var(--hos-bg);
    border: 1px solid var(--hos-border);
    border-radius: 10px;
    padding: 8px 14px 8px 38px;
    font-size: 0.875rem;
    color: var(--hos-text);
    width: 100%;
    transition: all 0.2s;
}

.hos-search-box input:focus {
    background: #FFFFFF;
    border-color: var(--hos-purple);
    outline: none;
    box-shadow: 0 0 0 3px var(--hos-purple-soft);
}

.hos-search-box .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--hos-muted);
    width: 16px;
    height: 16px;
}

.hos-content {
    padding: 26px 28px;
    flex: 1;
}

/* --------------------------------------------------------------------------
   Cards, KPI Blocks & Visual Hierarchy
   -------------------------------------------------------------------------- */
.hos-card {
    background: var(--hos-surface);
    border: 1px solid var(--hos-border);
    border-radius: var(--hos-radius);
    box-shadow: var(--hos-shadow);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.hos-card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--hos-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.hos-card-body {
    padding: 22px;
}

.kpi-card {
    background: var(--hos-surface);
    border: 1px solid var(--hos-border);
    border-radius: var(--hos-radius);
    padding: 20px 22px;
    box-shadow: var(--hos-shadow);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.kpi-card:hover {
    box-shadow: var(--hos-shadow-md);
    transform: translateY(-2px);
}

.kpi-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kpi-icon.purple { background: var(--hos-purple-soft); color: var(--hos-purple); }
.kpi-icon.blue   { background: var(--hos-blue-soft); color: var(--hos-blue); }
.kpi-icon.green  { background: var(--hos-success-soft); color: var(--hos-success); }
.kpi-icon.amber  { background: var(--hos-warning-soft); color: var(--hos-warning); }
.kpi-icon.red    { background: var(--hos-danger-soft); color: var(--hos-danger); }
.kpi-icon.navy   { background: rgba(23, 43, 77, 0.1); color: var(--hos-navy); }

.kpi-value {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--hos-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.kpi-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--hos-muted);
}

/* --------------------------------------------------------------------------
   Room Inventory Grid UI (Matching Reference Screenshot 3)
   -------------------------------------------------------------------------- */
.room-grid-card {
    background: var(--hos-surface);
    border: 1px solid var(--hos-border);
    border-radius: var(--hos-radius);
    padding: 18px;
    box-shadow: var(--hos-shadow);
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    border-top: 4px solid var(--hos-border);
}

.room-grid-card:hover {
    box-shadow: var(--hos-shadow-md);
    transform: translateY(-3px);
}

.room-grid-card.status-available   { border-top-color: var(--hos-success); }
.room-grid-card.status-reserved    { border-top-color: var(--hos-blue); }
.room-grid-card.status-occupied    { border-top-color: var(--hos-purple); }
.room-grid-card.status-cleaning    { border-top-color: var(--hos-warning); }
.room-grid-card.status-maintenance { border-top-color: var(--hos-danger); }

.room-number-badge {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--hos-navy);
    letter-spacing: -0.02em;
}

/* --------------------------------------------------------------------------
   Status Badges
   -------------------------------------------------------------------------- */
.badge-hos {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.badge-hos::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.badge-available, .badge-paid, .badge-present, .badge-approved, .badge-active, .badge-completed {
    background: var(--hos-success-soft);
    color: #059669;
}
.badge-available::before, .badge-paid::before, .badge-present::before, .badge-approved::before, .badge-active::before, .badge-completed::before {
    background: #10B981;
}

.badge-reserved, .badge-confirmed, .badge-info {
    background: var(--hos-blue-soft);
    color: #2563EB;
}
.badge-reserved::before, .badge-confirmed::before, .badge-info::before {
    background: #4F7CFF;
}

.badge-occupied, .badge-checked_in, .badge-staying, .badge-purple {
    background: var(--hos-purple-soft);
    color: var(--hos-purple);
}
.badge-occupied::before, .badge-checked_in::before, .badge-staying::before, .badge-purple::before {
    background: var(--hos-purple);
}

.badge-cleaning, .badge-partial, .badge-pending, .badge-pending_approval, .badge-late, .badge-draft {
    background: var(--hos-warning-soft);
    color: #D97706;
}
.badge-cleaning::before, .badge-partial::before, .badge-pending::before, .badge-pending_approval::before, .badge-late::before, .badge-draft::before {
    background: #F59E0B;
}

.badge-maintenance, .badge-unpaid, .badge-cancelled, .badge-no_show, .badge-absent, .badge-rejected, .badge-danger {
    background: var(--hos-danger-soft);
    color: #DC2626;
}
.badge-maintenance::before, .badge-unpaid::before, .badge-cancelled::before, .badge-no_show::before, .badge-absent::before, .badge-rejected::before, .badge-danger::before {
    background: #EF4444;
}

.badge-checked_out, .badge-expired, .badge-secondary, .badge-inactive {
    background: #F1F5F9;
    color: #475569;
}
.badge-checked_out::before, .badge-expired::before, .badge-secondary::before, .badge-inactive::before {
    background: #64748B;
}

/* --------------------------------------------------------------------------
   Buttons & Controls
   -------------------------------------------------------------------------- */
.btn-hos-primary {
    background: var(--hos-purple);
    color: #FFFFFF;
    border: 1px solid var(--hos-purple);
    border-radius: var(--hos-radius-sm);
    padding: 9px 18px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.18s ease;
}

.btn-hos-primary:hover {
    background: var(--hos-purple-hover);
    border-color: var(--hos-purple-hover);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.28);
}

.btn-hos-navy {
    background: var(--hos-navy);
    color: #FFFFFF;
    border: 1px solid var(--hos-navy);
    border-radius: var(--hos-radius-sm);
    padding: 9px 18px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-hos-navy:hover {
    background: var(--hos-navy-light);
    color: #FFFFFF;
}

.btn-hos-outline {
    background: #FFFFFF;
    color: var(--hos-text);
    border: 1px solid var(--hos-border);
    border-radius: var(--hos-radius-sm);
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-hos-outline:hover {
    background: var(--hos-bg);
    border-color: #CBD5E1;
    color: var(--hos-navy);
}

/* --------------------------------------------------------------------------
   Tables & Forms
   -------------------------------------------------------------------------- */
.table-hos {
    margin-bottom: 0;
}

.table-hos thead th {
    background: #F8FAFC;
    color: var(--hos-muted);
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 13px 16px;
    border-bottom: 1px solid var(--hos-border);
    white-space: nowrap;
}

.table-hos tbody td {
    padding: 14px 16px;
    vertical-align: middle;
    border-bottom: 1px solid #F1F5F9;
    color: var(--hos-text);
    font-size: 0.885rem;
}

.table-hos tbody tr:hover {
    background-color: #FAFCFF;
}

.form-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--hos-navy);
    margin-bottom: 6px;
}

.form-control, .form-select {
    border: 1px solid var(--hos-border);
    border-radius: var(--hos-radius-sm);
    padding: 9px 13px;
    font-size: 0.89rem;
    color: var(--hos-text);
}

.form-control:focus, .form-select:focus {
    border-color: var(--hos-purple);
    box-shadow: 0 0 0 3px var(--hos-purple-soft);
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
    .hos-sidebar {
        transform: translateX(-100%);
        width: var(--hos-sidebar-width) !important;
    }
    body.sidebar-mobile-open .hos-sidebar {
        transform: translateX(0);
    }
    .hos-main {
        margin-left: 0 !important;
    }
    .hos-content {
        padding: 18px 16px;
    }
    .hos-topbar {
        padding: 0 16px;
    }
}

@media print {
    .hos-sidebar, .hos-topbar, .no-print {
        display: none !important;
    }
    .hos-main {
        margin-left: 0 !important;
    }
    .hos-content {
        padding: 0 !important;
    }
    body {
        background: #FFFFFF !important;
    }
}