/* ========== RESET & VARIABLES ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface2: #1a1a1a;
  --surface3: #222222;
  --border: #2a2a2a;
  --border2: #333333;
  --text: #f0f0f0;
  --text2: #888888;
  --text3: #555555;
  --pink: #ff2d78;
  --pink2: #ff4d8e;
  --pink-glow: rgba(255, 45, 120, 0.15);
  --pink-glow2: rgba(255, 45, 120, 0.08);
  --danger: #ff4d4d;
  --success: #34d399;
  --warn: #fbbf24;
  --radius: 10px;
  --radius-sm: 6px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

/* ========== AUTH PAGE ========== */
.auth-page {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at 20% 50%, var(--pink-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, var(--pink-glow2) 0%, transparent 50%);
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.auth-logo {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.logo-pink { color: var(--pink); }
.logo-white { color: var(--text); }

.auth-subtitle {
  color: var(--text2);
  font-size: 14px;
  margin-bottom: 30px;
}

.auth-error {
  background: rgba(255, 77, 77, 0.1);
  border: 1px solid rgba(255, 77, 77, 0.3);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  text-align: left;
}

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

.auth-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 6px;
}

.auth-field input {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.auth-field input:focus {
  border-color: var(--pink);
}

.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--pink);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  margin-top: 8px;
}

.btn-primary:hover { background: var(--pink2); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-switch {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text2);
}

.auth-switch a {
  color: var(--pink);
  text-decoration: none;
  font-weight: 600;
}

.auth-switch a:hover { text-decoration: underline; }

/* ========== APP LAYOUT ========== */
.app-page {
  display: flex;
  height: 100vh;
}

/* ========== SIDEBAR ========== */
.sidebar {
  width: 300px;
  min-width: 300px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.search-box {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.search-box:focus { border-color: var(--pink); }
.search-box::placeholder { color: var(--text3); }

.btn-add {
  width: 100%;
  margin-top: 10px;
  padding: 10px;
  background: var(--pink);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-add:hover { background: var(--pink2); }

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

.client-item {
  padding: 12px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 2px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.client-item:hover { background: var(--surface2); }

.client-item.active {
  background: var(--pink);
}

.client-item.active .client-project,
.client-item.active .client-date {
  color: rgba(255,255,255,0.7);
}

.client-name {
  font-weight: 600;
  font-size: 14px;
}

.client-project {
  font-size: 12px;
  color: var(--text2);
  margin-top: 2px;
}

.client-date {
  font-size: 11px;
  color: var(--text3);
  white-space: nowrap;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.client-count {
  font-size: 12px;
  color: var(--text3);
}

.sidebar-actions {
  display: flex;
  gap: 4px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.btn-icon:hover { border-color: var(--pink); color: var(--pink); }
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ========== MAIN AREA ========== */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.main-header {
  padding: 20px 30px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
}

.main-header h2 {
  font-size: 20px;
  font-weight: 700;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 30px;
}

/* ========== EMPTY STATE ========== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text2);
}

.empty-icon {
  font-size: 60px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
}

/* ========== BUTTONS ========== */
.btn-secondary {
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.btn-secondary:hover { border-color: var(--pink); color: var(--pink); }

.btn-danger {
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--danger);
  background: transparent;
  color: var(--danger);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-save {
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  background: var(--pink);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
}

.btn-save:hover { background: var(--pink2); }

/* ========== VIEW MODE ========== */
.view-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 900px;
}

.view-section {
  grid-column: 1 / -1;
  margin-top: 14px;
  margin-bottom: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  color: var(--pink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.view-section:first-child { margin-top: 0; }

.view-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.view-item.full { grid-column: 1 / -1; }

.view-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 6px;
}

.view-value {
  font-size: 14px;
  word-break: break-all;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.view-value a {
  color: var(--pink);
  text-decoration: none;
}

.view-value a:hover { text-decoration: underline; }

.view-value .masked {
  color: var(--text3);
  font-style: italic;
  cursor: pointer;
}

.view-value .masked:hover { color: var(--text2); }

.view-value .revealed {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--warn);
}

.view-notes {
  white-space: pre-wrap;
  line-height: 1.6;
}

/* ========== TAGS ========== */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}

.tag-active { background: rgba(52,211,153,0.15); color: var(--success); }
.tag-inactive { background: rgba(251,191,36,0.15); color: var(--warn); }
.tag-archived { background: rgba(136,136,136,0.15); color: var(--text2); }

/* ========== FORM ========== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
}

.form-section {
  grid-column: 1 / -1;
  margin-top: 10px;
  margin-bottom: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  color: var(--pink);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-section:first-child { margin-top: 0; }

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

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--pink);
}

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.input-with-actions {
  position: relative;
  display: flex;
}

.input-with-actions input { flex: 1; padding-right: 70px; }

.input-actions {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 2px;
}

.input-btn {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 14px;
  transition: color 0.2s;
}

.input-btn:hover { color: var(--pink); }
.input-btn.copied { color: var(--success); }

/* ========== TOAST ========== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 12px 24px;
  background: var(--pink);
  color: #fff;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 999;
}

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

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  max-width: 420px;
  width: 90%;
}

.modal h3 { margin-bottom: 12px; font-size: 18px; }
.modal p { color: var(--text2); font-size: 14px; margin-bottom: 24px; }

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ========== LOADING ========== */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .app-page { flex-direction: column; }
  .sidebar { width: 100%; min-width: unset; height: auto; max-height: 45vh; }
  .main-content { padding: 20px; }
  .view-grid, .form-grid { grid-template-columns: 1fr; }
}