/* ═══════════════════════════════════════════════════════════════
   SIAS Adviser Reports Generator
   Glassmorphism · Navy Blue · Dark / Light Mode
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. CSS Custom Properties ──────────────────────────────── */
:root {
  --bg-from:        #020c1b;
  --bg-to:          #0d1f3c;

  --glass-bg:       rgba(255, 255, 255, 0.055);
  --glass-bg-inner: rgba(255, 255, 255, 0.04);
  --glass-border:   rgba(255, 255, 255, 0.11);
  --glass-shadow:   rgba(0,   0,   0,  0.45);
  --glass-hover:    rgba(255, 255, 255, 0.08);

  --header-bg:      rgba(2,  12,  27, 0.82);
  --header-border:  rgba(255, 255, 255, 0.09);

  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --accent:         #3b82f6;
  --accent-hover:   #2563eb;
  --accent-active:  #1d4ed8;
  --accent-glow:    rgba(59, 130, 246, 0.30);
  --accent-subtle:  rgba(59, 130, 246, 0.12);

  --success:        #22c55e;
  --success-bg:     rgba(34, 197,  94, 0.12);
  --success-border: rgba(34, 197,  94, 0.30);
  --error:          #f87171;
  --error-bg:       rgba(248, 113, 113, 0.12);
  --error-border:   rgba(248, 113, 113, 0.30);
  --warn:           #fbbf24;
  --warn-bg:        rgba(251, 191,  36, 0.12);
  --warn-border:    rgba(251, 191,  36, 0.30);
  --info:           #60a5fa;
  --info-bg:        rgba(96, 165, 250, 0.12);
  --info-border:    rgba(96, 165, 250, 0.30);

  --input-bg:          rgba(255, 255, 255, 0.06);
  --input-border:      rgba(255, 255, 255, 0.14);
  --input-focus:       rgba(59, 130, 246, 0.50);
  --input-placeholder: rgba(148, 163, 184, 0.60);

  --radius-sm: 2px;
  --radius-md: 2px;
  --radius-lg: 2px;
  --radius-xl: 2px;
  --transition: 0.22s ease;
}

/* ── Light Mode ────────────────────────────────────────────── */
[data-theme="light"] {
  --bg-from: #dbeafe;
  --bg-to:   #eff6ff;

  --glass-bg:       rgba(255, 255, 255, 0.58);
  --glass-bg-inner: rgba(255, 255, 255, 0.40);
  --glass-border:   rgba(255, 255, 255, 0.85);
  --glass-shadow:   rgba(30,  58, 138, 0.12);
  --glass-hover:    rgba(255, 255, 255, 0.70);

  --header-bg:     rgba(239, 246, 255, 0.86);
  --header-border: rgba(147, 197, 253, 0.35);

  --text-primary:   #0f172a;
  --text-secondary: #334155;
  --text-muted:     #64748b;

  --accent-glow:   rgba(37,  99, 235, 0.20);
  --accent-subtle: rgba(37,  99, 235, 0.10);

  --success-bg:     rgba(20, 158,  68, 0.10);
  --error:          #dc2626;
  --error-bg:       rgba(220,  38,  38, 0.08);
  --error-border:   rgba(220,  38,  38, 0.25);
  --warn:           #d97706;
  --warn-bg:        rgba(217, 119,   6, 0.08);
  --warn-border:    rgba(217, 119,   6, 0.25);
  --info:           #2563eb;
  --info-bg:        rgba(37,  99, 235, 0.08);
  --info-border:    rgba(37,  99, 235, 0.25);

  --input-bg:          rgba(255, 255, 255, 0.70);
  --input-border:      rgba(147, 197, 253, 0.55);
  --input-focus:       rgba(37,  99, 235, 0.40);
  --input-placeholder: rgba(100, 116, 139, 0.70);
}

/* ── 2. Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  min-height: 100vh;
  background: #020c1b;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: color var(--transition);
}
[data-theme="light"] body { background: #bfdbfe; }

/* ── 3. Ocean Wave Background ──────────────────────────────── */
.bg-layer {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  background: linear-gradient(180deg, #020c1b 0%, #061525 55%, #0c2040 100%);
}
[data-theme="light"] .bg-layer {
  background: linear-gradient(180deg, #bfdbfe 0%, #dbeafe 60%, #e8f2ff 100%);
}

#grid-glow {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.bg-layer::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 5;
  background-image:
    linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
[data-theme="light"] .bg-layer::after {
  background-image:
    linear-gradient(rgba(37,99,235,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.05) 1px, transparent 1px);
}

.wave {
  position: absolute;
  left: 0; right: 0;
  background-repeat: repeat-x;
  background-position: 0 bottom;
}

.wave-1 {
  bottom: -20px; height: 220px;
  background-size: 1440px 220px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 220'%3E%3Cpath fill='rgba(17,50,130,0.75)' d='M0,110 C360,178 720,42 1080,110 C1260,144 1380,120 1440,110 L1440,220 L0,220 Z'/%3E%3C/svg%3E");
  animation: waveR 22s linear infinite;
}
[data-theme="light"] .wave-1 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 220'%3E%3Cpath fill='rgba(37,99,235,0.42)' d='M0,110 C360,178 720,42 1080,110 C1260,144 1380,120 1440,110 L1440,220 L0,220 Z'/%3E%3C/svg%3E");
}

.wave-2 {
  bottom: -10px; height: 180px;
  background-size: 1440px 180px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 180'%3E%3Cpath fill='rgba(28,78,216,0.55)' d='M0,80 C300,142 600,18 900,80 C1050,111 1200,64 1440,80 L1440,180 L0,180 Z'/%3E%3C/svg%3E");
  animation: waveL 16s linear infinite;
}
[data-theme="light"] .wave-2 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 180'%3E%3Cpath fill='rgba(59,130,246,0.34)' d='M0,80 C300,142 600,18 900,80 C1050,111 1200,64 1440,80 L1440,180 L0,180 Z'/%3E%3C/svg%3E");
}

.wave-3 {
  bottom: 0; height: 140px;
  background-size: 1440px 140px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 140'%3E%3Cpath fill='rgba(59,130,246,0.38)' d='M0,65 C180,102 360,28 540,65 C720,102 900,28 1080,65 C1260,102 1350,72 1440,65 L1440,140 L0,140 Z'/%3E%3C/svg%3E");
  animation: waveR 11s linear infinite;
  animation-delay: -4s;
}
[data-theme="light"] .wave-3 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 140'%3E%3Cpath fill='rgba(96,165,250,0.28)' d='M0,65 C180,102 360,28 540,65 C720,102 900,28 1080,65 C1260,102 1350,72 1440,65 L1440,140 L0,140 Z'/%3E%3C/svg%3E");
}

.wave-4 {
  bottom: 10px; height: 100px;
  background-size: 1440px 100px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 100'%3E%3Cpath fill='rgba(125,200,255,0.22)' d='M0,40 C90,62 180,18 270,40 C360,62 450,18 540,40 C630,62 720,18 810,40 C900,62 990,18 1080,40 C1170,62 1260,18 1350,40 C1395,51 1418,46 1440,40 L1440,100 L0,100 Z'/%3E%3C/svg%3E");
  animation: waveL 7s linear infinite;
  animation-delay: -2s;
}
[data-theme="light"] .wave-4 {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 100'%3E%3Cpath fill='rgba(147,210,255,0.22)' d='M0,40 C90,62 180,18 270,40 C360,62 450,18 540,40 C630,62 720,18 810,40 C900,62 990,18 1080,40 C1170,62 1260,18 1350,40 C1395,51 1418,46 1440,40 L1440,100 L0,100 Z'/%3E%3C/svg%3E");
}

@keyframes waveR {
  from { background-position:    0 bottom; }
  to   { background-position: 1440px bottom; }
}
@keyframes waveL {
  from { background-position: 1440px bottom; }
  to   { background-position:    0 bottom; }
}

/* ── 4. App Shell ──────────────────────────────────────────── */
.app-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── 5. Glass Header ───────────────────────────────────────── */
.glass-header {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
  height: 62px;
  background: var(--header-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--header-border);
  transition: background var(--transition), border-color var(--transition);
}

.header-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon   { flex-shrink: 0; }
.logo-text   { display: flex; flex-direction: row; align-items: center; gap: 8px; }
.logo-main   { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); letter-spacing: 0.04em; }
.logo-main::after { content: '·'; margin-left: 8px; color: var(--text-muted, var(--text-secondary)); font-weight: 400; }
.logo-sub    { font-size: 0.85rem; color: var(--text-secondary); letter-spacing: 0.02em; text-transform: uppercase; }

.header-right { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.icon-btn:hover { background: var(--glass-hover); color: var(--text-primary); }
.icon-btn svg   { display: block; }

/* ── 6. Main Content ───────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 32px 20px 60px;
  width: 100%;
}

/* ── 7. Status Bar ─────────────────────────────────────────── */
.status-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 620px;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  border: 1px solid;
  font-size: 0.875rem;
  font-weight: 500;
  animation: slideDown 0.22s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.status-bar.status-error   { background: var(--error-bg);   border-color: var(--error-border);   color: var(--error); }
.status-bar.status-success { background: var(--success-bg); border-color: var(--success-border); color: var(--success); }
.status-bar.status-warn    { background: var(--warn-bg);    border-color: var(--warn-border);    color: var(--warn); }
.status-bar.status-info    { background: var(--info-bg);    border-color: var(--info-border);    color: var(--info); }

.status-icon  { font-size: 1rem; flex-shrink: 0; }
.status-msg   { flex: 1; }
.status-close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: inherit;
  opacity: 0.7;
  padding: 0 2px;
  line-height: 1;
  transition: opacity var(--transition);
}
.status-close:hover { opacity: 1; }

/* ── 8. Panel ──────────────────────────────────────────────── */
.panel {
  display: none;
  width: 100%;
  max-width: 620px;
  background: var(--glass-bg);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 40px var(--glass-shadow);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.panel.active {
  display: block;
  animation: panelIn 0.32s ease forwards;
}
.panel:hover { box-shadow: 0 12px 50px var(--glass-shadow); }

@keyframes panelIn {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-head { padding: 28px 32px 0; }
.panel-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.panel-sub {
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.panel-body {
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.panel-foot {
  padding: 18px 32px;
  border-top: 1px solid var(--glass-border);
  background: var(--glass-bg-inner);
}

/* ── 9. Form Fields ────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; flex: 1; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.field-input,
.field-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.field-input::placeholder { color: var(--input-placeholder); }
.field-input:focus,
.field-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--input-focus);
}
.field-input:focus  { background: var(--glass-hover); }
.field-select:focus { background-color: var(--glass-hover); }

.field-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
[data-theme="light"] .field-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
.field-select option { background: var(--bg-to); color: var(--text-primary); }

/* Password toggle */
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .field-input { padding-right: 42px; }
.input-icon-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  transition: color var(--transition);
}
.input-icon-btn:hover { color: var(--text-primary); }

/* ── 10. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:not(:disabled):active { transform: scale(0.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-active) 100%);
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-primary:not(:disabled):hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-active) 100%);
  box-shadow: 0 6px 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-full { width: 100%; padding: 12px; font-size: 0.9rem; letter-spacing: 0.06em; }

/* Button spinner */
.btn-spin {
  width: 15px; height: 15px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 11. Utility ───────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── 12. Footer ────────────────────────────────────────────── */
.app-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--glass-border);
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-shrink: 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 20px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.footer-brand span { color: var(--accent); }

.footer-links { display: flex; align-items: center; gap: 20px; }
.footer-links a {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

.footer-copy {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── 13. Responsive ────────────────────────────────────────── */
@media (max-width: 600px) {
  .main-content  { padding: 20px 12px 60px; gap: 16px; }
  .panel-head    { padding: 20px 20px 0; }
  .panel-body    { padding: 18px 20px; gap: 14px; }
  .panel-foot    { padding: 14px 20px; }
  .panel-title   { font-size: 1.2rem; }
  .field-row     { grid-template-columns: 1fr; }
  .glass-header  { padding: 0 14px; }
  .logo-main::after { display: none; }
  .logo-sub      { display: none; }
}