/* ═══════════════════════════════════════════════
   Jir AEDE Mailbox — Complete Interactive UI Styles
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Default: Day Theme ── */
:root {
  --bg-primary: #f5f0ff;
  --bg-secondary: #ffffff;
  --bg-panel: #faf7ff;
  --bg-card: #ffffff;
  --bg-hover: rgba(147, 51, 234, 0.08);
  --bg-selected: rgba(147, 51, 234, 0.14);

  --border-glass: rgba(147, 51, 234, 0.15);
  --border-glow: rgba(147, 51, 234, 0.35);

  --purple-neon: #7e22ce;
  --purple-primary: #9333ea;
  --purple-deep: #581c87;
  --magenta: #d946ef;

  --text-primary: #1a0c30;
  --text-secondary: #4c1d95;
  --text-muted: #6b21a8;

  --gradient-brand: linear-gradient(135deg, #a855f7, #9333ea, #d946ef);
  --gradient-glow: linear-gradient(135deg, rgba(168, 85, 247, 0.12), rgba(217, 70, 239, 0.1));

  --font-sans: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --transition-fast: 0.25s ease;
  --shadow-card: 0 12px 40px rgba(126, 34, 206, 0.16);
}

/* ── Dark Theme Override ── */
body.dark-mode {
  --bg-primary: #080412;
  --bg-secondary: #0f0820;
  --bg-panel: rgba(18, 11, 34, 0.85);
  --bg-card: #160e2a;
  --bg-hover: rgba(168, 85, 247, 0.12);
  --bg-selected: rgba(168, 85, 247, 0.2);

  --border-glass: rgba(192, 132, 252, 0.15);
  --border-glow: rgba(168, 85, 247, 0.4);

  --purple-neon: #c084fc;
  --purple-primary: #a855f7;
  --purple-deep: #7e22ce;
  --magenta: #e879f9;

  --text-primary: #f8f5ff;
  --text-secondary: #c4b5fd;
  --text-muted: #8b5cf6;

  --shadow-card: 0 12px 48px rgba(4, 2, 10, 0.7);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  display: flex;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

/* ── App Layout ── */
.app-container {
  display: grid;
  grid-template-columns: 240px 360px 1fr;
  width: 100vw;
  height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 16px;
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── User Bar ── */
.user-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.user-name {
  font-size: 0.82rem;
  font-weight: 600;
}

.theme-toggle-btn {
  background: rgba(147, 51, 234, 0.1);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  color: var(--purple-primary);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: rgba(147, 51, 234, 0.2);
}

.btn-compose {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(147, 51, 234, 0.3);
  transition: all var(--transition-fast);
  margin-bottom: 20px;
}

.btn-compose:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(147, 51, 234, 0.45);
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  background: var(--bg-selected);
  color: var(--text-primary);
  border-left: 3px solid var(--purple-neon);
}

.nav-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  background: rgba(147, 51, 234, 0.2);
  color: var(--purple-primary);
}

.storage-widget {
  margin-top: auto;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

.storage-title {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.storage-bar {
  height: 6px;
  background: rgba(147, 51, 234, 0.15);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.storage-fill {
  height: 100%;
  width: 24%;
  background: var(--gradient-brand);
}

.storage-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ── Mail List Panel ── */
.mail-list-panel {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
}

.search-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-glass);
}

.search-input-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
}

.search-input-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.88rem;
  width: 100%;
}

.mail-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.mail-card {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 6px;
}

.mail-card:hover {
  background: var(--bg-hover);
}

.mail-card.selected {
  background: var(--bg-selected);
  border-color: var(--border-glow);
}

.mail-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.sender-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.mail-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mail-subject {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mail-snippet {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Reader Panel ── */
.reader-panel {
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
}

.reader-toolbar {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toolbar-btn-group {
  display: flex;
  gap: 8px;
}

.tool-btn {
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tool-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--purple-primary);
}

.tool-btn-danger:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.4);
}

.reader-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

.reader-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-glass);
}

.reader-subject {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sender-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.sender-details .name {
  font-weight: 600;
  font-size: 0.95rem;
}

.sender-details .email {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.reader-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.payload-box {
  margin-top: 24px;
  padding: 16px;
  background: rgba(147, 51, 234, 0.06);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--purple-neon);
  overflow-x: auto;
}

/* ── Auth Screen Modal ── */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  transition: opacity var(--transition-fast);
}

.auth-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.auth-card {
  width: 420px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  text-align: center;
}

.auth-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
}

.auth-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.form-group-auth {
  text-align: left;
  margin-bottom: 16px;
}

.form-group-auth label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.form-group-auth input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.btn-auth {
  width: 100%;
  padding: 14px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  margin-top: 12px;
  box-shadow: 0 4px 20px rgba(147, 51, 234, 0.3);
}

/* ── Compose Modal UI ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 4, 18, 0.75);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 250;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.compose-card {
  width: 600px;
  max-width: 90vw;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px);
  transition: transform var(--transition-fast);
}

.modal-overlay.active .compose-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-glass);
  background: var(--bg-secondary);
}

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

.modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(147, 51, 234, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.close-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}

.compose-body-form {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-field-compose {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field-compose label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-field-compose input,
.form-field-compose textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-field-compose input:focus,
.form-field-compose textarea:focus {
  border-color: var(--purple-primary);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.15);
}

.form-field-compose textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}

.compose-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
}

.btn-send-mail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(147, 51, 234, 0.35);
  transition: all var(--transition-fast);
}

.btn-send-mail:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(147, 51, 234, 0.5);
}

.btn-discard {
  padding: 10px 18px;
  background: transparent;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-discard:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.3);
}

/* ── Toast Notification ── */
.toast-msg {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  background: var(--bg-card);
  border: 1px solid var(--purple-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-card);
  z-index: 400;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}