@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&family=DM+Mono:wght@400;500&display=swap');

/* ============================================================
   Travancore Foundation — Operations Platform
   Layout model:
     - Top bar:  position:fixed, full width, z:200
     - Sidebar:  position:fixed, left:0, top:56px, z:100
     - Content:  normal flow, margin-left:240px, margin-top:56px
   This is the simplest model that works. No shell grid.
   ============================================================ */

/* ─── Tokens ──────────────────────────────────────────────── */
:root {
    --primary:        #1B5E5A;
    --primary-dark:   #0F4543;
    --primary-light:  #3B807C;
    --primary-soft:   #D8E7E5;

    --secondary:      #C97B5E;
    --secondary-soft: #F4E4DC;

    --accent:         #E0A458;
    --accent-soft:    #FBF0DC;

    --success:        #3D7A4B;
    --success-soft:   #DDF0E2;
    --danger:         #B73E3E;
    --danger-soft:    #F8DCDC;
    --warning:        #C08A28;
    --warning-soft:   #FBF0D0;
    --info:           #2B6FA8;
    --info-soft:      #DCE9F5;

    --ink-900:  #1A1C20;
    --ink-700:  #3D4150;
    --ink-500:  #6B7080;
    --ink-400:  #8E96A4;
    --ink-300:  #B8BCC8;
    --ink-200:  #D8DCE6;
    --ink-100:  #ECEEF4;
    --ink-50:   #F5F6F8;

    --bg:           #EFECE7;
    --bg-card:      #FFFFFF;
    --sidebar-bg:   #F8F7F4;
    --sidebar-border: #E4E1DC;
    --topbar-bg:    #FFFFFF;

    --sidebar-width:   240px;
    --topbar-height:    56px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.07);
    --shadow-md: 0 4px 12px rgba(0,0,0,.09);
    --shadow-lg: 0 8px 24px rgba(0,0,0,.11);

    --radius-sm: 4px;
    --radius:    8px;
    --radius-lg: 12px;
    --transition: 140ms ease;
    --transition-md: 220ms ease;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.55;
    color: var(--ink-900);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
    line-height: 1.25;
    color: var(--primary-dark);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.4em;
}
h1 { font-size: 1.65rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
h4 { font-size: 0.95rem; }
p { margin-bottom: 1em; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); text-decoration: underline; }
code, pre {
    font-family: 'DM Mono', ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.88em;
}
code {
    background: var(--ink-100);
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    color: var(--primary-dark);
}
pre {
    background: var(--ink-50);
    padding: 14px 16px;
    border-radius: var(--radius);
    overflow-x: auto;
    border: 1px solid var(--ink-200);
}

/* ═══════════════════════════════════════════════════════════
   TOP BAR
   ═══════════════════════════════════════════════════════════ */
.app-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--topbar-height);
    background: var(--topbar-bg);
    border-bottom: 1px solid #E4E1DC;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    z-index: 200;
}

/* Brand block — same width as sidebar so they align */
.topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    width: var(--sidebar-width);
    flex-shrink: 0;
    padding: 0 18px;
    height: 100%;
    border-right: 1px solid #E4E1DC;
    text-decoration: none;
}
.topbar-brand:hover { text-decoration: none; }

.topbar-logo {
    width: 32px; height: 32px;
    background: var(--primary);
    border-radius: 6px;
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: -0.5px;
}
.topbar-wordmark-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ink-900);
    line-height: 1.2;
}
.topbar-wordmark-sub {
    font-size: 0.7rem;
    color: var(--ink-400);
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

/* Middle — facility picker */
.topbar-center {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 0 18px;
    gap: 10px;
    min-width: 0;
}

.env-pill {
    padding: 2px 9px;
    border-radius: 10px;
    font-size: 0.71rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: var(--warning-soft);
    color: var(--warning);
    border: 1px solid #E2C060;
    flex-shrink: 0;
}

.facility-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 11px;
    background: var(--ink-50);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.86rem;
    color: var(--ink-700);
    font-family: inherit;
    transition: all var(--transition);
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.facility-btn:hover {
    background: var(--primary-soft);
    border-color: var(--primary-light);
    color: var(--primary-dark);
}
.facility-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--success);
}
.facility-dot.all         { background: var(--primary-light); }
.facility-dot.construction { background: var(--accent); }

/* Facility dropdown */
.facility-dropdown {
    display: none;
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 240px;
    z-index: 9999;
    padding: 4px 0;
}
.facility-dropdown a {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 14px;
    font-size: 0.87rem;
    color: var(--ink-700);
    text-decoration: none;
    transition: background var(--transition);
}
.facility-dropdown a:hover { background: var(--ink-50); text-decoration: none; color: var(--primary); }
.facility-dropdown a.selected { background: var(--primary-soft); font-weight: 500; color: var(--primary-dark); }
.facility-dropdown hr { border: none; border-top: 1px solid var(--ink-100); margin: 4px 0; }

/* Right — user info */
.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 18px;
    flex-shrink: 0;
}
.topbar-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: -0.3px;
}
.topbar-user-info { line-height: 1.25; }
.topbar-user-name { font-size: 0.86rem; font-weight: 500; color: var(--ink-800, var(--ink-700)); }
.topbar-user-role { font-size: 0.75rem; color: var(--ink-400); }
.topbar-signout {
    font-size: 0.83rem;
    color: var(--ink-400);
    padding: 4px 10px;
    border: 1px solid var(--ink-200);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}
.topbar-signout:hover {
    color: var(--danger);
    background: var(--danger-soft);
    border-color: #EAB0B0;
    text-decoration: none;
}

/* Hamburger — hidden on desktop */
.hamburger-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--ink-700);
    margin-left: 10px;
}
.hamburger-btn:hover { background: var(--ink-100); }

/* ═══════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════ */
.app-sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--topbar-height));
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 100;
    transition: transform var(--transition-md);
}
.app-sidebar::-webkit-scrollbar { width: 3px; }
.app-sidebar::-webkit-scrollbar-thumb { background: var(--ink-200); border-radius: 2px; }

.sidebar-nav { padding: 10px 0 24px; }

/* Plain nav link (Dashboard) */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 16px;
    font-size: 0.9rem;
    color: var(--ink-700);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: background var(--transition), color var(--transition);
}
.sidebar-link:hover { background: var(--ink-100); color: var(--primary); text-decoration: none; }
.sidebar-link.active {
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 500;
    border-left-color: var(--primary);
}
.sidebar-link svg { width: 15px; height: 15px; flex-shrink: 0; opacity: 0.65; }
.sidebar-link.active svg { opacity: 1; }

/* Section header (accordion trigger) */
.sidebar-section { }
.section-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 8px 16px;
    background: none;
    border: none;
    border-left: 3px solid transparent;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--ink-400);
    text-align: left;
    transition: color var(--transition), background var(--transition);
    margin-top: 8px;
}
.section-trigger:hover { color: var(--ink-700); background: var(--ink-100); }
.section-trigger.has-active { color: var(--primary-dark); }

.section-trigger-left { display: flex; align-items: center; gap: 8px; }
.section-trigger-left svg { width: 14px; height: 14px; opacity: 0.6; }
.section-chevron {
    font-size: 0.65rem;
    opacity: 0.5;
    transition: transform var(--transition-md);
}
.sidebar-section.open .section-chevron { transform: rotate(180deg); }

/* Accordion body */
.section-body {
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--transition-md);
}
.sidebar-section.open .section-body { max-height: 500px; }

/* Sub-links */
.sidebar-sublink {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px 7px 34px;
    font-size: 0.875rem;
    color: var(--ink-600, var(--ink-700));
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: background var(--transition), color var(--transition);
}
.sidebar-sublink:hover { background: var(--ink-100); color: var(--primary); text-decoration: none; }
.sidebar-sublink.active {
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 500;
    border-left-color: var(--primary);
}

/* 2FA warning */
.sidebar-warning {
    display: block;
    margin: 10px 12px 0;
    padding: 8px 12px;
    background: var(--warning-soft);
    border: 1px solid #E8C870;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--warning);
    text-decoration: none;
    transition: background var(--transition);
}
.sidebar-warning:hover { background: #F5E8A0; text-decoration: none; color: var(--warning); }

/* Mobile overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(26,28,32,.4);
    z-index: 99;
    backdrop-filter: blur(1px);
}
.sidebar-overlay.show { display: block; }

/* ═══════════════════════════════════════════════════════════
   MAIN CONTENT — pushed right of sidebar, below topbar
   ═══════════════════════════════════════════════════════════ */
.app-content {
    margin-top: var(--topbar-height);
    margin-left: var(--sidebar-width);
    padding: 28px 28px 48px;
    min-height: calc(100vh - var(--topbar-height));
}

/* ═══════════════════════════════════════════════════════════
   COMPONENTS
   ═══════════════════════════════════════════════════════════ */

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 16px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--ink-200);
}
.card-header h2, .card-header h3 { margin: 0; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 0.87rem;
    font-weight: 500;
    color: var(--ink-700);
    margin-bottom: 4px;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="tel"],
input[type="url"], select, textarea, .input {
    width: 100%;
    padding: 8px 11px;
    border: 1px solid var(--ink-300);
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-family: inherit;
    background: #fff;
    color: var(--ink-900);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: auto;
}
input:focus, select:focus, textarea:focus, .input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-hint { font-size: 0.79rem; color: var(--ink-400); margin-top: 4px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition);
    line-height: 1.3;
    white-space: nowrap;
}
.btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; text-decoration: none; }
.btn-secondary { background: #fff; color: var(--ink-700); border-color: var(--ink-300); }
.btn-secondary:hover { background: var(--ink-50); color: var(--primary); border-color: var(--primary-light); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #952F2F; border-color: #952F2F; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* Alerts */
.alert {
    padding: 11px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    border-left: 4px solid;
    font-size: 0.91rem;
}
.alert-info    { background: var(--info-soft);    border-color: var(--info); }
.alert-success { background: var(--success-soft); border-color: var(--success); }
.alert-warning { background: var(--warning-soft); border-color: var(--warning); }
.alert-danger  { background: var(--danger-soft);  border-color: var(--danger); }
.alert ul { margin: 6px 0 0 16px; }
.alert li { margin-bottom: 3px; }

/* Tables */
.table { width: 100%; border-collapse: collapse; background: var(--bg-card); font-size: 0.9rem; }
.table th, .table td { padding: 10px 13px; text-align: left; border-bottom: 1px solid var(--ink-100); }
.table th {
    background: var(--ink-50);
    color: var(--ink-500);
    font-weight: 600;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--ink-200);
}
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: var(--ink-50); }
.table tbody tr:last-child td { border-bottom: none; }

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.73rem;
    font-weight: 600;
    background: var(--ink-100);
    color: var(--ink-500);
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger  { background: var(--danger-soft);  color: var(--danger); }
.badge-info    { background: var(--info-soft);     color: var(--info); }

/* Empty state */
.empty-state { text-align: center; padding: 52px 24px; color: var(--ink-500); }
.empty-state h3 { color: var(--ink-700); margin-bottom: 8px; }
.empty-state p  { margin-bottom: 20px; }

/* Detail list */
dl.detail-list { display: grid; grid-template-columns: 170px 1fr; gap: 9px 16px; }
dl.detail-list dt { font-weight: 500; color: var(--ink-500); font-size: 0.85rem; padding-top: 1px; }
dl.detail-list dd { color: var(--ink-900); }

/* Utility */
.text-muted   { color: var(--ink-500); }
.text-primary { color: var(--primary); }
.text-right   { text-align: right; }
.text-center  { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* ═══════════════════════════════════════════════════════════
   LOGIN PAGE (no sidebar)
   ═══════════════════════════════════════════════════════════ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E8F0EE 0%, var(--bg) 55%, var(--secondary-soft) 100%);
    padding: 20px;
}
.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    padding: 36px 32px;
}
.login-card .brand-mark { text-align: center; margin-bottom: 28px; }
.login-card .brand-mark h1 { color: var(--primary); font-size: 1.35rem; margin-bottom: 4px; }
.login-card .brand-mark .tagline { color: var(--ink-400); font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; }
.login-card .btn { width: 100%; justify-content: center; padding: 11px; }
.login-card .env-banner { text-align: center; margin-top: 16px; font-size: 0.78rem; color: var(--ink-400); }
.login-card .env-banner.dev { color: var(--warning); font-weight: 500; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .app-sidebar {
        transform: translateX(-100%);
        z-index: 150;
        box-shadow: var(--shadow-lg);
    }
    .app-sidebar.open { transform: translateX(0); }
    .app-content { margin-left: 0; padding: 20px 16px 40px; }
    .topbar-brand { border-right: none; width: auto; padding: 0 6px; }
    .topbar-brand .topbar-wordmark-sub { display: none; }
    .topbar-center { padding: 0 8px; }
    .env-pill { display: none; }
    .topbar-user-info { display: none; }       /* keep just the avatar on mobile */
    .topbar-signout { padding: 4px 8px; }
    .topbar-right { padding: 0 10px; gap: 8px; }
    .hamburger-btn { display: flex; margin-left: 4px; }
    .facility-btn { max-width: 130px; font-size: 0.82rem; }
    dl.detail-list { grid-template-columns: 1fr; }
}