/* ============================================
   MAIN.CSS - CORE LAYOUT & COMPONENTS
   ========================================== */

/* --- CSS Variables --- */
:root {
  --sidebar-bg: #0B1120;
  --sidebar-hover: #162033;
  --sidebar-active: #D4A017;
  --accent: #D4A017;
  --accent-hover: #B8860B;
  --accent-light: rgba(212,160,23,0.12);
  --bg: #F0F4F8;
  --card: #FFFFFF;
  --text-primary: #1A2332;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --success: #16A34A;
  --success-light: rgba(22,163,74,0.12);
  --warning: #F59E0B;
  --warning-light: rgba(245,158,11,0.12);
  --danger: #EF4444;
  --danger-light: rgba(239,68,68,0.12);
  --info: #0284C7;
  --info-light: rgba(2,132,199,0.12);
  --border: #E2E8F0;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 6px 10px rgba(0,0,0,0.08);
  --radius: 10px;
  --radius-sm: 6px;
  --sidebar-width: 260px;
  --header-height: 64px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--bg); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }

/* --- Login --- */
#auth-section { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #0B1120 0%, #162033 40%, #1a1a2e 70%, #0B1120 100%); position: relative; overflow: hidden; }
#auth-section::before { content: ''; position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(212,160,23,0.15) 0%, transparent 70%); top: -200px; right: -200px; border-radius: 50%; }
.login-wrapper { position: relative; z-index: 1; width: 100%; max-width: 420px; padding: 20px; }
.login-card { background: rgba(22,32,51,0.95); border: 1px solid rgba(212,160,23,0.2); border-radius: 16px; padding: 48px 36px; backdrop-filter: blur(20px); box-shadow: 0 25px 50px rgba(0,0,0,0.5); }
.login-brand { text-align: center; margin-bottom: 36px; }
.login-logo { width: 80px; height: 80px; border-radius: 16px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; overflow: hidden; background: #fff; padding: 5px; }
.login-logo img { width: 100%; height: 100%; object-fit: contain; }
.login-brand h1 { color: #F1F5F9; font-weight: 800; font-size: 1.6rem; letter-spacing: -0.5px; }
.login-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 4px; }
.login-card .form-group { margin-bottom: 20px; }
.login-card label { color: #CBD5E1; font-weight: 500; font-size: 0.85rem; }
.login-card input { width: 100%; padding: 12px 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-sm); color: #F1F5F9; transition: var(--transition); }
.login-card input::placeholder { color: #64748B; }
.login-card input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212,160,23,0.2); }
.error-text { color: var(--danger); font-size: 0.85rem; margin-top: 12px; text-align: center; }

/* --- Buttons --- */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px; border: none; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); color: #0B1120; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(212,160,23,0.4); }
.btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #DC2626; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-full { width: 100%; justify-content: center; }

/* --- App Layout --- */
#app-section { display: flex; min-height: 100vh; }
#app-layout-container { display: flex; width: 100%; min-height: 100vh; }

/* --- Sidebar --- */
#sidebar { width: var(--sidebar-width); background: var(--sidebar-bg); position: fixed; top: 0; left: 0; bottom: 0; display: flex; flex-direction: column; z-index: 100; transition: transform var(--transition); border-right: 1px solid rgba(255,255,255,0.05); }
.sidebar-brand { display: flex; align-items: center; gap: 12px; padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.sidebar-logo { width: 42px; height: 42px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; background: #fff; padding: 4px; }
.sidebar-logo img { width: 100%; height: 100%; object-fit: contain; }
.sidebar-title { color: #F1F5F9; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.3px; }
#sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 11px 16px; border-radius: 8px; color: #94A3B8; font-weight: 500; font-size: 0.9rem; margin-bottom: 2px; transition: var(--transition); }
.nav-item i { width: 20px; text-align: center; font-size: 1rem; }
.nav-item:hover { background: var(--sidebar-hover); color: #E2E8F0; }
.nav-item.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.btn-logout { width: 100%; padding: 10px; background: rgba(239,68,68,0.1); border: none; border-radius: var(--radius-sm); color: #EF4444; font-weight: 600; cursor: pointer; transition: var(--transition); font-size: 0.9rem; }
.btn-logout:hover { background: rgba(239,68,68,0.2); }

/* --- Main Content --- */
#main-content { flex: 1; margin-left: var(--sidebar-width); display: flex; flex-direction: column; min-height: 100vh; }
#top-header { height: var(--header-height); background: var(--card); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 28px; position: sticky; top: 0; z-index: 50; }
.header-left { display: flex; align-items: center; gap: 16px; }
#sidebar-toggle { display: none; background: none; border: none; font-size: 1.2rem; color: var(--text-primary); cursor: pointer; }
#page-title { font-weight: 700; font-size: 1.25rem; }
.header-right { display: flex; align-items: center; gap: 12px; }
#user-display-name { font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }
.role-badge { padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; background: var(--accent-light); color: var(--accent); }
#content-area { padding: 28px; flex: 1; }
.view { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* --- Stats & Dashboard --- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; margin-bottom: 28px; }
.stat-card { background: var(--card); border-radius: var(--radius); padding: 22px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-icon { width: 50px; height: 50px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; }
.stat-clients .stat-icon { background: var(--info-light); color: var(--info); }
.stat-revenue .stat-icon { background: var(--success-light); color: var(--success); }
.stat-outstanding .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-projects .stat-icon { background: var(--accent-light); color: var(--accent); }
.stat-value { font-size: 1.5rem; font-weight: 800; display: block; letter-spacing: -0.5px; }
.stat-label { font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; }
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 20px; margin-bottom: 28px; }
.dash-card { background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.dash-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.mini-list { max-height: 200px; overflow-y: auto; }
.mini-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.mini-item:last-child { border-bottom: none; }

/* --- Tables --- */
.view-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.search-box { position: relative; flex: 1; max-width: 360px; }
.search-box i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.9rem; }
.search-box input { width: 100%; padding: 10px 16px 10px 40px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--card); transition: var(--transition); color: var(--text-primary); }
.search-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212,160,23,0.15); }
.table-container { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); overflow-x: auto; }
table th { background: #F8FAFC; padding: 12px 16px; text-align: left; font-weight: 700; font-size: 0.78rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 2px solid var(--border); white-space: nowrap; }
table td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 0.88rem; color: var(--text-primary); }
table tbody tr { transition: var(--transition); }
table tbody tr:hover { background: #F8FAFC; }
table tbody tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; white-space: nowrap; }
.badge-pending { background: var(--warning-light); color: #B45309; }
.badge-progress { background: var(--info-light); color: var(--info); }
.badge-completed { background: var(--success-light); color: var(--success); }
.badge-delivered { background: rgba(139,92,246,0.12); color: #7C3AED; }
.badge-draft { background: #F1F5F9; color: var(--text-secondary); }
.badge-submitted { background: var(--info-light); color: var(--info); }
.badge-approved { background: var(--success-light); color: var(--success); }
.badge-unpaid { background: var(--danger-light); color: var(--danger); }
.badge-part { background: var(--warning-light); color: #B45309; }
.badge-paid { background: var(--success-light); color: var(--success); }
.badge-review { background: rgba(139,92,246,0.12); color: #7C3AED; }
.action-btns { display: flex; gap: 6px; }

/* --- Forms --- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.3px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--card); color: var(--text-primary); transition: var(--transition); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212,160,23,0.15); }
.form-group input[readonly] { background: #F8FAFC; color: var(--text-secondary); cursor: default; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-section-title { font-weight: 700; font-size: 0.9rem; color: var(--accent); margin: 20px 0 12px; padding-top: 16px; border-top: 1px dashed var(--border); }
.highlight-label { color: var(--accent) !important; }
.contract-amount-display { font-size: 1.2rem !important; font-weight: 800 !important; color: var(--accent) !important; background: var(--accent-light) !important; border-color: var(--accent) !important; }

/* --- Reports --- */
.report-controls { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; background: var(--card); padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); }
.report-controls .form-group { margin-bottom: 0; min-width: 160px; }
.report-output { background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); min-height: 200px; }
.report-summary { display: flex; gap: 20px; margin-bottom: 16px; flex-wrap: wrap; }
.report-summary-item { padding: 12px 20px; background: #F8FAFC; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.report-summary-item span { display: block; }
.report-summary-item .rs-label { font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; }
.report-summary-item .rs-value { font-size: 1.3rem; font-weight: 800; color: var(--text-primary); }

/* --- Toast --- */
.toast { position: fixed; bottom: 24px; right: 24px; padding: 14px 24px; border-radius: var(--radius-sm); color: #fff; font-weight: 600; font-size: 0.9rem; z-index: 9999; transform: translateY(100px); opacity: 0; transition: all 0.4s cubic-bezier(0.4,0,0.2,1); box-shadow: var(--shadow-lg); }
.toast.show { transform: translateY(0); opacity: 1; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); color: #1A2332; }
.empty-state { text-align: center; padding: 32px 16px; color: var(--text-muted); font-style: italic; }

/* --- Responsive --- */
@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); }
  #main-content { margin-left: 0; }
  #sidebar-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .report-controls { flex-direction: column; align-items: stretch; }
  #content-area { padding: 16px; }
}
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } .view-header { flex-direction: column; align-items: stretch; } .search-box { max-width: 100%; } }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 3px; }
#sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); }