/* ============================================
   DRCC — AI Disaster Response Command Center
   main.css — Variables, Reset, Login Styles, Utilities
   ============================================ */

/* ---- CSS CUSTOM PROPERTIES ---- */
:root {
  --copper:        #B5651D;
  --copper-light:  #D4824A;
  --copper-dark:   #8A4B15;
  --copper-pale:   #F5E6D8;

  --graphite:      #6C757D;
  --graphite-light:#ADB5BD;
  --graphite-dark: #495057;

  --gold:          #FFD166;
  --gold-light:    #FFE5A3;
  --gold-dark:     #E6A800;

  --bg:            #F8F9FA;
  --surface:       #FFFFFF;
  --text:          #212529;
  --text-muted:    #6C757D;
  --text-light:    #ADB5BD;

  --success:       #2ECC71;
  --success-bg:    #D5F5E3;
  --warning:       #F39C12;
  --warning-bg:    #FDEBD0;
  --danger:        #E74C3C;
  --danger-bg:     #FADBD8;
  --info:          #3498DB;
  --info-bg:       #D6EAF8;

  --dark-1:        #1C2431;
  --dark-2:        #253341;
  --dark-3:        #2D3E52;
  --dark-4:        #344660;

  --border:        #DEE2E6;
  --border-dark:   #CED4DA;

  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:     0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.18);
  --shadow-copper: 0 4px 20px rgba(181,101,29,0.3);

  --sidebar-width:     260px;
  --sidebar-collapsed: 68px;
  --navbar-height:     62px;

  --transition:      0.25s ease;
  --transition-fast: 0.15s ease;

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Courier New', monospace;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--copper); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--copper-dark); }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }
img { display: block; max-width: 100%; }

/* ---- LOGIN PAGE ---- */
.login-body {
  background: var(--dark-1);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.login-body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(181,101,29,0.09) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.login-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(960px, 96vw);
  min-height: 600px;
  background: var(--surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.5s ease;
}

/* Left branding panel */
.login-left {
  background: linear-gradient(155deg, var(--dark-2) 0%, var(--dark-1) 100%);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(181,101,29,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.login-left::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,209,102,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.login-brand { text-align: center; }

.brand-shield {
  width: 76px; height: 76px;
  background: linear-gradient(135deg, var(--copper) 0%, var(--copper-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-copper);
}
.brand-shield i { font-size: 38px; color: #fff; }

.login-brand h1 {
  font-size: 38px; font-weight: 800; color: #fff;
  letter-spacing: 5px; margin-bottom: 8px;
}
.login-brand > p { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.6; }

.login-features { display: flex; flex-direction: column; gap: 12px; }

.feature-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.feature-item:hover {
  background: rgba(181,101,29,0.12);
  border-color: rgba(181,101,29,0.3);
}
.feature-item i {
  width: 32px; height: 32px;
  background: rgba(181,101,29,0.2);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 14px; flex-shrink: 0;
}
.feature-item span { font-size: 13px; color: rgba(255,255,255,0.75); font-weight: 500; }

.login-footer-brand p { font-size: 11px; color: rgba(255,255,255,0.3); text-align: center; }

/* Right form panel */
.login-right {
  background: var(--surface);
  padding: 40px;
  display: flex; align-items: center; justify-content: center;
  overflow-y: auto;
}

.login-form-wrap { width: 100%; max-width: 390px; }

.login-header { margin-bottom: 24px; }
.login-header h2 { font-size: 24px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.login-header p { font-size: 13px; color: var(--text-muted); }

/* Demo panel */
.demo-panel {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 24px; overflow: hidden;
}
.demo-panel-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; cursor: pointer;
}
.demo-panel-header i.fa-circle-info { color: var(--info); font-size: 14px; }
.demo-panel-header span {
  font-size: 11px; font-weight: 700; color: var(--text); flex: 1;
  text-transform: uppercase; letter-spacing: 0.6px;
}
.demo-toggle {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 11px;
  transition: transform var(--transition);
}

.demo-creds { padding: 0 10px 10px; overflow: hidden; }
.demo-creds.collapsed { display: none; }

.demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

.demo-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: all var(--transition-fast); text-align: left;
  width: 100%;
}
.demo-item:hover { border-color: var(--copper); background: var(--copper-pale); }
.demo-item i { font-size: 16px; color: var(--copper); width: 20px; text-align: center; flex-shrink: 0; }
.demo-item div { display: flex; flex-direction: column; }
.demo-role { font-size: 11px; font-weight: 700; color: var(--text); line-height: 1.3; }
.demo-info { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); line-height: 1.4; }

/* Form */
.login-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 11px; font-weight: 700; color: var(--text);
  text-transform: uppercase; letter-spacing: 0.5px;
}

.input-wrap { position: relative; display: flex; align-items: center; }
.input-icon {
  position: absolute; left: 12px;
  color: var(--graphite-light); font-size: 13px;
  pointer-events: none; z-index: 1;
}
.input-wrap input {
  width: 100%; height: 44px;
  padding: 0 42px 0 38px;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius); font-size: 14px; color: var(--text);
  transition: all var(--transition-fast); outline: none;
}
.input-wrap input:focus {
  border-color: var(--copper); background: var(--surface);
  box-shadow: 0 0 0 3px rgba(181,101,29,0.1);
}
.input-wrap input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(231,76,60,0.08);
}
.pwd-toggle {
  position: absolute; right: 10px;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  color: var(--graphite-light); font-size: 13px;
  transition: color var(--transition-fast);
}
.pwd-toggle:hover { color: var(--copper); }

/* Role grid */
.role-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; }
.role-btn {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 10px 6px;
  background: var(--bg); border: 1.5px solid var(--border);
  border-radius: var(--radius); cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 11px; font-weight: 600; color: var(--text-muted);
}
.role-btn i { font-size: 18px; color: var(--graphite-light); transition: color var(--transition-fast); }
.role-btn:hover { border-color: var(--copper-light); color: var(--copper); }
.role-btn:hover i { color: var(--copper); }
.role-btn.active { background: var(--copper-pale); border-color: var(--copper); color: var(--copper-dark); }
.role-btn.active i { color: var(--copper); }

/* Form options */
.form-options { display: flex; align-items: center; }
.checkbox-wrap {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; font-size: 13px; color: var(--text-muted); user-select: none;
}
.checkbox-wrap input[type="checkbox"] { display: none; }
.checkmark {
  width: 17px; height: 17px;
  border: 1.5px solid var(--border-dark); border-radius: 4px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: all var(--transition-fast);
}
.checkbox-wrap input:checked + .checkmark { background: var(--copper); border-color: var(--copper); }
.checkbox-wrap input:checked + .checkmark::after {
  content: '';
  display: block; width: 9px; height: 6px;
  border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
}

/* Error */
.form-error {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  background: var(--danger-bg); border: 1px solid rgba(231,76,60,0.2);
  border-radius: var(--radius); font-size: 13px; color: var(--danger);
}

/* Login button */
.btn-login {
  height: 48px;
  background: linear-gradient(135deg, var(--copper) 0%, var(--copper-dark) 100%);
  color: #fff; border: none; border-radius: var(--radius);
  font-size: 14px; font-weight: 700; cursor: pointer;
  transition: all var(--transition-fast);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: var(--shadow-copper);
}
.btn-login:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(181,101,29,0.4); }
.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }
.btn-text, .btn-loading { display: flex; align-items: center; gap: 8px; }

.login-version {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 20px; font-size: 11px; color: var(--text-light);
}
.separator { color: var(--border-dark); }

/* ---- UTILITIES ---- */
.hidden  { display: none !important; }
.visible { display: block !important; }
.d-flex  { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-1  { flex: 1; }
.gap-4   { gap: 4px; }
.gap-8   { gap: 8px; }
.gap-12  { gap: 12px; }
.gap-16  { gap: 16px; }
.gap-24  { gap: 24px; }
.fw-500  { font-weight: 500; }
.fw-700  { font-weight: 700; }
.text-muted   { color: var(--text-muted); }
.text-copper  { color: var(--copper); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-sm  { font-size: 12px; }
.text-xs  { font-size: 11px; }
.font-mono{ font-family: var(--font-mono); }
.w-100    { width: 100%; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--graphite-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--graphite); }

/* ---- RESPONSIVE — LOGIN ---- */
@media (max-width: 768px) {
  .login-container { grid-template-columns: 1fr; width: 96vw; max-width: 440px; min-height: unset; }
  .login-left { padding: 28px 24px; }
  .login-features { display: none; }
  .login-brand h1 { font-size: 28px; }
  .login-right { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .login-right { padding: 24px 18px; }
  .demo-grid { grid-template-columns: 1fr; }
  .role-grid { grid-template-columns: repeat(2,1fr); }
}

/* ============================================================
   DARK MODE — user-defined variables
   Activated via html.dark-mode class
   ============================================================ */
html.dark-mode {
  --copper:        #D4824A;
  --copper-light:  #E09A66;
  --copper-dark:   #B5651D;
  --copper-pale:   #3A2A20;
  --graphite:      #ADB5BD;
  --graphite-light:#CED4DA;
  --graphite-dark: #8B949E;
  --gold:          #FFD166;
  --gold-light:    #FFE5A3;
  --gold-dark:     #D9A300;
  --bg:            #171717;
  --surface:       #222222;
  --surface-2:     #2B2B2B;
  --surface-3:     #333333;
  --text:          #F1F3F5;
  --text-muted:    #B0B7C0;
  --text-light:    #7D858E;
  --success:       #3DDC84;
  --success-bg:    #183528;
  --warning:       #F5B041;
  --warning-bg:    #3A2B16;
  --danger:        #FF6B5F;
  --danger-bg:     #3A1F1D;
  --info:          #C9A66B;
  --info-bg:       #332A1B;
  --dark-1:        #171717;
  --dark-2:        #202020;
  --dark-3:        #2A2A2A;
  --dark-4:        #343434;
  --border:        #3A3A3A;
  --border-dark:   #4A4A4A;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.35);
  --shadow-md:     0 4px 12px rgba(0,0,0,.45);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.55);
  --shadow-copper: 0 4px 20px rgba(212,130,74,.28);
}

/* Dark mode body & global overrides */
html.dark-mode body                { background: var(--bg); color: var(--text); }
html.dark-mode .form-input,
html.dark-mode .form-select,
html.dark-mode .form-textarea      { background: var(--surface-2); color: var(--text); border-color: var(--border); }
html.dark-mode .form-input::placeholder { color: var(--text-light); }
html.dark-mode .search-bar input   { background: transparent; color: var(--text); }
html.dark-mode .crud-table-wrap table { background: var(--surface); }
html.dark-mode .crud-table-wrap th { background: var(--surface-2); color: var(--text-muted); }
html.dark-mode .crud-table-wrap td { color: var(--text); border-color: var(--border); }
html.dark-mode .crud-table-wrap tr:hover td { background: var(--surface-2); }
html.dark-mode .card               { background: var(--surface); border-color: var(--border); }
html.dark-mode .stat-card          { background: var(--surface); border-color: var(--border); }
html.dark-mode .empty-table-row td { background: var(--surface); color: var(--text-muted); }
html.dark-mode .btn-secondary      { background: var(--surface-2); border-color: var(--border); color: var(--text); }
html.dark-mode .btn-secondary:hover{ background: var(--surface-3); }
html.dark-mode .crud-stat-card     { background: var(--surface); border-color: var(--border); }
html.dark-mode .page-content       { background: var(--bg); }
html.dark-mode .main-area          { background: var(--bg); }