/* ============================================================================
   Login page styles — lifted verbatim from mockups/login.html.
   Only the theme switcher (top-right) and the brand panel coloring change
   across themes; everything else uses the same CSS variables as the rest of
   the app.
   ============================================================================ */

:root, [data-theme="light"] {
  --bg: #f6f5f1;
  --surface: #ffffff;
  --surface-2: #faf9f6;
  --surface-3: #f0eee8;
  --border: #e6e3dc;
  --border-bright: #d4d0c6;
  --text: #1a1d20;
  --text-dim: #5a626c;
  --text-muted: #8a8f97;
  --accent: #1f4d2b;
  --accent-bg: #e8f0ea;
  --accent-hover: #163a20;
  --accent-fg: #ffffff;
  --accent-2: #0a8a92;
  --error: #c0392b;
  --shadow-sm: 0 1px 2px rgba(20, 22, 24, 0.04);
  --shadow-md: 0 4px 16px rgba(20, 22, 24, 0.06);
  --shadow-lg: 0 20px 60px rgba(20, 22, 24, 0.15);
  --grid-line: rgba(0,0,0,0.018);
  --ambient-1: rgba(31, 77, 43, 0.06);
  --ambient-2: rgba(10, 138, 146, 0.05);
  --panel-gradient: linear-gradient(135deg, #1f4d2b 0%, #0a8a92 100%);
}

[data-theme="midnight"] {
  --bg: #0e1116;
  --surface: #161a21;
  --surface-2: #1c2128;
  --surface-3: #232932;
  --border: #2a313c;
  --border-bright: #3a4250;
  --text: #e6e8ea;
  --text-dim: #9aa3b0;
  --text-muted: #6b7382;
  --accent: #5fd49a;
  --accent-bg: rgba(95, 212, 154, 0.12);
  --accent-hover: #4dbf85;
  --accent-fg: #0e1116;
  --accent-2: #4cd4dc;
  --error: #ff6b6b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --grid-line: rgba(255,255,255,0.025);
  --ambient-1: rgba(95, 212, 154, 0.08);
  --ambient-2: rgba(76, 212, 220, 0.06);
  --panel-gradient: linear-gradient(135deg, #0e1116 0%, #1f3d2b 50%, #0a4a52 100%);
}

[data-theme="slate"] {
  --bg: #eef1f4;
  --surface: #ffffff;
  --surface-2: #f7f9fb;
  --surface-3: #e9edf2;
  --border: #dce2e9;
  --border-bright: #c5cdd6;
  --text: #1c2530;
  --text-dim: #4a5562;
  --text-muted: #7d8794;
  --accent: #2e4d6b;
  --accent-bg: #e3ebf3;
  --accent-hover: #213a52;
  --accent-fg: #ffffff;
  --accent-2: #1e6fc4;
  --error: #c43b3b;
  --shadow-sm: 0 1px 3px rgba(28, 37, 48, 0.05);
  --shadow-md: 0 4px 18px rgba(28, 37, 48, 0.08);
  --shadow-lg: 0 24px 64px rgba(28, 37, 48, 0.2);
  --grid-line: rgba(28, 37, 48, 0.02);
  --ambient-1: rgba(46, 77, 107, 0.06);
  --ambient-2: rgba(30, 111, 196, 0.05);
  --panel-gradient: linear-gradient(135deg, #2e4d6b 0%, #1e6fc4 100%);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Roboto', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -0.005em;
  height: 100vh;
  overflow: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}
body { font-weight: 400; }

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.login-shell {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  overflow: hidden;
}

/* ============ LEFT PANEL (brand) ============ */
.brand-panel {
  background: var(--panel-gradient);
  position: relative;
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
  overflow: hidden;
}
.brand-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 30%, rgba(255,255,255,0.08), transparent 60%),
    radial-gradient(ellipse 800px 600px at 90% 80%, rgba(255,255,255,0.05), transparent 60%);
  pointer-events: none;
}
.brand-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.brand-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  display: grid;
  place-items: center;
  backdrop-filter: blur(10px);
}
.brand-logo i { font-size: 22px; color: #fff; }
.brand-wordmark {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.brand-wordmark span {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-left: 8px;
}

.brand-hero {
  position: relative;
  z-index: 2;
  max-width: 480px;
}
.brand-hero h1 {
  font-size: 56px;
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 300;
  margin-bottom: 18px;
}
.brand-hero h1 b {
  font-weight: 600;
  color: #fff;
}
.brand-hero p {
  font-size: 16px;
  line-height: 1.55;
  opacity: 0.85;
  margin-bottom: 32px;
  max-width: 420px;
}

.brand-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 480px;
}
.brand-stat {
  padding: 16px 0;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.brand-stat-label {
  font-family: 'Roboto Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.7;
  margin-bottom: 6px;
}
.brand-stat-value {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.brand-stat-value small {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  opacity: 0.7;
  margin-left: 4px;
}

.brand-bottom {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.75;
}
.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.live-indicator::before {
  content: '';
  width: 7px;
  height: 7px;
  background: #5fd49a;
  border-radius: 50%;
  box-shadow: 0 0 8px #5fd49a;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ============ RIGHT PANEL (form) ============ */
.form-panel {
  position: relative;
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--surface);
  overflow-y: auto;
}
.form-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 100% 0%, var(--ambient-1), transparent 60%),
    radial-gradient(ellipse 600px 400px at 0% 100%, var(--ambient-2), transparent 60%);
  pointer-events: none;
}

.form-panel-top {
  position: absolute;
  top: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.theme-switch {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
  gap: 0;
  box-shadow: var(--shadow-sm);
}
.theme-swatch {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  position: relative;
  transition: transform 0.15s ease;
}
.theme-swatch:hover { transform: scale(1.08); }
.theme-swatch.active::after {
  content: '';
  position: absolute;
  inset: -3px;
  border: 2px solid var(--accent);
  border-radius: 50%;
}
.theme-swatch.light    { background: linear-gradient(135deg, #f6f5f1 50%, #ffffff 50%); border: 1px solid #d4d0c6; }
.theme-swatch.midnight { background: linear-gradient(135deg, #0e1116 50%, #5fd49a 50%); }
.theme-swatch.slate    { background: linear-gradient(135deg, #eef1f4 50%, #2e4d6b 50%); }

.form-wrap {
  position: relative;
  z-index: 1;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}

.form-eyebrow {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.form-title {
  font-size: 42px;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 8px;
  color: var(--text);
}
.form-subtitle {
  font-size: 15px;
  color: var(--text-dim);
  margin-bottom: 36px;
}

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-family: 'Roboto Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 6px;
  padding-left: 2px;
}
.form-control, .form-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  font-weight: 400;
  padding: 11px 14px;
  border-radius: 10px;
  width: 100%;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
  background: var(--surface);
  color: var(--text);
}
.form-select { font-family: 'Roboto Mono', monospace; font-weight: 500; }

.input-with-icon { position: relative; }
.input-with-icon i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
  pointer-events: none;
}
.input-with-icon .form-control { padding-left: 42px; }
.toggle-pw {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 14px;
}
.toggle-pw:hover { background: var(--surface-2); color: var(--text); }

.options-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.remember-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}
.remember-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}
.forgot-link {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.forgot-link:hover { text-decoration: underline; }

.btn-signin {
  width: 100%;
  padding: 13px 16px;
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  border-radius: 10px;
  font-family: 'Roboto Mono', monospace;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) 25%, transparent);
}
.btn-signin:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px color-mix(in srgb, var(--accent) 35%, transparent);
}
.btn-signin:active { transform: translateY(0); }
.btn-signin:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}
.btn-signin .spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn-signin.loading .spinner { display: inline-block; }
.btn-signin.loading .label { opacity: 0.8; }
@keyframes spin { to { transform: rotate(360deg); } }

.demo-credentials {
  background: var(--surface-2);
  border: 1px dashed var(--border-bright);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 24px;
}
.demo-credentials-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.demo-credentials-label {
  font-family: 'Roboto Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}
.demo-credentials-fill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: 'Roboto Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
}
.demo-credentials-fill:hover { background: var(--surface); color: var(--text); }
.demo-credentials-body {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
}
.demo-credentials-body b { color: var(--text); }

.form-error {
  background: color-mix(in srgb, var(--error) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--error) 30%, transparent);
  color: var(--error);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 18px;
  display: none;
  align-items: center;
  gap: 8px;
}
.form-error.show { display: flex; }

.form-foot {
  margin-top: 32px;
  text-align: center;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Responsive */
@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; }
  .brand-panel { display: none; }
  .form-panel { padding: 32px 24px; }
}