/* ── Variables ── */
:root {
  --ink:       #1a1714;
  --ink-2:     #4a4540;
  --ink-3:     #8a847e;
  --paper:     #f5f0eb;
  --paper-2:   #ede8e2;
  --paper-3:   #e0dbd4;
  --accent:    #c0392b;
  --accent-2:  #e74c3c;
  --gold:      #b8860b;
  --success:   #27ae60;
  --white:     #ffffff;
  --sidebar-w: 280px;
  --radius:    10px;
  --shadow:    0 4px 24px rgba(26,23,20,0.10);
  --shadow-lg: 0 12px 48px rgba(26,23,20,0.18);
  --trans:     0.18s ease;
}

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

html { font-size: 15px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--paper);
  color: var(--ink);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  position: fixed;
  top: 0; left: 0;
  z-index: 10;
  gap: 1.5rem;
}

.sidebar-header { }

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.logo-mark {
  color: var(--accent-2);
  font-size: 1.2rem;
}

.logo-sub {
  font-size: 0.72rem;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.stats-block {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

.stat { display: flex; flex-direction: column; align-items: center; flex: 1; }
.stat-num { font-family: 'DM Serif Display', serif; font-size: 1.6rem; color: var(--paper); line-height: 1; }
.stat-label { font-size: 0.65rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 0.2rem; }
.stat-divider { width: 1px; height: 2rem; background: rgba(255,255,255,0.12); }

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Serif Display', serif;
  font-size: 0.9rem;
  font-weight: 500;
}

.user-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.user-name {
  font-size: 0.8rem;
  color: var(--paper);
  font-weight: 500;
}

.user-logout {
  background: none;
  border: none;
  color: var(--ink-3);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 0;
  text-align: left;
  transition: color var(--trans);
}

.user-logout:hover {
  color: var(--accent-2);
}

.btn-new {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--trans), transform var(--trans);
  letter-spacing: 0.01em;
}
.btn-new:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn-new-icon { font-size: 1.2rem; font-weight: 300; line-height: 1; }

.search-wrap {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 15px; height: 15px;
  color: var(--ink-3);
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem 0.65rem 2.25rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--paper);
  outline: none;
  transition: border-color var(--trans), background var(--trans);
}

.search-input::placeholder { color: var(--ink-3); }
.search-input:focus {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
}

.alpha-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: auto;
}

.alpha-btn {
  background: none;
  border: none;
  color: var(--ink-3);
  font-size: 0.7rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  padding: 0.2rem 0.3rem;
  border-radius: 4px;
  transition: color var(--trans), background var(--trans);
  text-transform: uppercase;
}
.alpha-btn:hover, .alpha-btn.active {
  color: var(--paper);
  background: rgba(255,255,255,0.1);
}

/* ── Main ── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 2.5rem 2.5rem 3rem;
  min-height: 100vh;
}

.main-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
  border-bottom: 1.5px solid var(--paper-3);
  padding-bottom: 1rem;
}

.page-title {
  font-family: 'DM Serif Display', serif;
  font-size: 2rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.view-label {
  font-size: 0.72rem;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Contacts Grid ── */
.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--paper-3);
  transition: transform var(--trans), box-shadow var(--trans);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  animation: fadeUp 0.22s ease forwards;
  opacity: 0;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 0.3rem;
}

.card-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.card-company {
  font-size: 0.75rem;
  color: var(--ink-3);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.card-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.2rem;
}

.card-detail {
  font-size: 0.8rem;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-detail-icon { flex-shrink: 0; color: var(--ink-3); font-size: 0.75rem; }

.card-notes {
  font-size: 0.78rem;
  color: var(--ink-3);
  line-height: 1.5;
  border-top: 1px solid var(--paper-2);
  padding-top: 0.6rem;
  margin-top: 0.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--paper-2);
}

.card-btn {
  flex: 1;
  padding: 0.45rem;
  border: 1px solid var(--paper-3);
  border-radius: 6px;
  background: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--trans);
  letter-spacing: 0.03em;
}

.card-btn-edit { color: var(--ink-2); }
.card-btn-edit:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

.card-btn-delete { color: var(--accent); }
.card-btn-delete:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }

/* ── Empty States ── */
.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.empty-icon {
  font-size: 2.5rem;
  color: var(--paper-3);
  line-height: 1;
}

.empty-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: var(--ink-2);
}

.empty-sub { font-size: 0.85rem; color: var(--ink-3); }

.hidden { display: none !important; }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,23,20,0.55);
  backdrop-filter: blur(3px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--white);
  border-radius: 14px;
  padding: 2.25rem 2.25rem 2rem;
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-sm { max-width: 380px; text-align: center; }

.modal-close {
  position: absolute;
  top: 1.1rem; right: 1.25rem;
  background: none; border: none;
  font-size: 1.5rem;
  color: var(--ink-3);
  cursor: pointer;
  line-height: 1;
  transition: color var(--trans);
  padding: 0.2rem 0.4rem;
}
.modal-close:hover { color: var(--ink); }

.modal-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

/* ── Form ── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.req { color: var(--accent); }

.form-input {
  background: var(--paper);
  border: 1.5px solid var(--paper-3);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--ink);
  outline: none;
  transition: border-color var(--trans), background var(--trans);
  width: 100%;
}

.form-input:focus {
  border-color: var(--ink);
  background: var(--white);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.55;
}

.form-error {
  background: #fdf0ef;
  border: 1px solid #f5c0bb;
  color: var(--accent);
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  font-size: 0.82rem;
  margin-bottom: 1rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.btn-cancel {
  background: none;
  border: 1.5px solid var(--paper-3);
  border-radius: 8px;
  padding: 0.65rem 1.25rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  color: var(--ink-2);
  cursor: pointer;
  transition: all var(--trans);
}
.btn-cancel:hover { border-color: var(--ink-2); color: var(--ink); }

.btn-save {
  background: var(--ink);
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--paper);
  cursor: pointer;
  transition: all var(--trans);
}
.btn-save:hover { background: var(--accent); }
.btn-save:disabled { opacity: 0.5; cursor: not-allowed; }

.delete-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.delete-sub {
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-bottom: 1.5rem;
  margin-top: -1rem;
}

.btn-delete-confirm {
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--white);
  cursor: pointer;
  transition: background var(--trans);
}
.btn-delete-confirm:hover { background: var(--accent-2); }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.8rem 1.4rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  animation: toastIn 0.2s ease;
  max-width: 300px;
}

.toast.success { background: var(--success); }
.toast.error   { background: var(--accent); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: var(--paper-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }

/* ── Auth Pages ── */
.auth-body {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%);
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
}

.auth-container {
  width: 100%;
  max-width: 400px;
}

.auth-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.8rem;
  color: var(--ink);
  margin: 1rem 0 0.5rem;
  letter-spacing: -0.02em;
}

.auth-subtitle {
  color: var(--ink-3);
  font-size: 0.9rem;
  margin: 0;
}

.auth-form {
  margin-bottom: 2rem;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: 8px;
  padding: 0.8rem 1.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--trans);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-2);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.auth-footer {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--paper-2);
}

.auth-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-link:hover {
  text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { position: relative; width: 100%; min-height: auto; flex-direction: row; flex-wrap: wrap; padding: 1.25rem; gap: 1rem; }
  .main { margin-left: 0; padding: 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .alpha-index { display: none; }
  .sidebar-header { width: 100%; }
  .stats-block { flex: 1; }
}