@import url("../assets/styles/styles/fonts.css");

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "iranyekan", system-ui, sans-serif;
  list-style: none;
}

:root {
  --primary: #6d28d9;
  --primary-dark: #4c1d95;
  --primary-light: #ede9fe;
  --primary-mid: #7c3aed;
  --accent: #059669;
  --accent-hover: #047857;
  --danger: #ef4444;
  --sidebar-bg-start: #1e1b4b;
  --sidebar-bg-end: #4c1d95;
  --sidebar-width: 300px;
  --text-primary: #1e1b4b;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-on-dark: #e0d9ff;
  --bg-main: #f5f3ff;
  --bg-card: #ffffff;
  --card-border: rgba(109, 40, 217, 0.1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.18);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --topbar-height: 64px;
}

html { font-size: 16px; }

body {
  background: var(--bg-main);
  color: var(--text-primary);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── OVERLAY ─── */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(3px);
  z-index: 100;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.overlay--visible {
  display: block;
  opacity: 1;
}

/* ─── APP LAYOUT ─── */
.notes {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* ─── SIDEBAR ─── */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(165deg, var(--sidebar-bg-start) 0%, #312e81 55%, var(--sidebar-bg-end) 100%);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  right: 0;
  z-index: 200;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.25rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sidebar__logo i {
  font-size: 1.3rem;
  color: #c4b5fd;
}

.sidebar__close {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: rgba(255, 255, 255, 0.75);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.sidebar__close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* ─── SEARCH ─── */
.sidebar__search {
  padding: 0.85rem 1rem 0.5rem;
  position: relative;
  flex-shrink: 0;
}

.search-icon {
  position: absolute;
  right: 1.85rem;
  top: 50%;
  transform: translateY(-30%);
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.82rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 0.6rem 2.3rem 0.6rem 0.85rem;
  color: #fff;
  font-family: "iranyekan", sans-serif;
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
  direction: rtl;
}
.search-input::placeholder { color: rgba(255, 255, 255, 0.4); }
.search-input:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(196, 181, 253, 0.5);
  box-shadow: 0 0 0 3px rgba(196, 181, 253, 0.12);
}

/* ─── NOTES LIST ─── */
.notes__list {
  flex: 1;
  overflow-y: auto;
  padding: 0.6rem 0.75rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}
.notes__list::-webkit-scrollbar { width: 4px; }
.notes__list::-webkit-scrollbar-track { background: transparent; }
.notes__list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 4px;
}

/* ─── NOTE CARD (sidebar) ─── */
.note-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.9rem;
  margin-bottom: 0.55rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-on-dark);
}
.note-card:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}
.note-card--active {
  background: rgba(196, 181, 253, 0.18);
  border-color: #c4b5fd;
  box-shadow: 0 0 0 1px rgba(196, 181, 253, 0.35), inset 0 0 0 1px rgba(196, 181, 253, 0.1);
}

.note-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.4rem;
  margin-bottom: 0.35rem;
}
.note-card__title {
  font-size: 0.93rem;
  font-weight: 700;
  color: #fff;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}
.note-card__delete {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.note-card__delete:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fca5a5;
}
.note-card__body {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.55;
  margin-bottom: 0.45rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.note-card__date {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.no-results {
  text-align: center;
  padding: 2.5rem 1rem;
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.88rem;
}
.no-results i {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.2);
}

/* ─── ADD BUTTON ─── */
.add-btn {
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  cursor: pointer;
  font-family: "iranyekan", sans-serif;
  font-size: 0.93rem;
  font-weight: 700;
  padding: 0.8rem 1rem;
  margin: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(5, 150, 105, 0.35);
  flex-shrink: 0;
}
.add-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.45);
  transform: translateY(-1px);
}
.add-btn--outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  box-shadow: none;
  margin: 0;
}
.add-btn--outline:hover {
  background: var(--primary-light);
  box-shadow: none;
  transform: none;
}

/* ─── MAIN CONTENT ─── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-main);
}

/* ─── TOPBAR ─── */
.topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 1.75rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--card-border);
  gap: 0.75rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.menu-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.topbar__title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  flex: 1;
}

.mobile-add {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  margin: 0;
  flex-shrink: 0;
}

/* ─── PREVIEW ─── */
.preview {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem 2.5rem;
  gap: 0.75rem;
  overflow: hidden;
  background: var(--bg-card);
  margin: 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--card-border);
}

.preview__title {
  border: none;
  outline: none;
  background: transparent;
  font-family: "iranyekan", sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text-primary);
  direction: rtl;
  width: 100%;
  padding: 0.25rem 0;
  border-bottom: 2px solid #e5e7eb;
  transition: var(--transition);
  line-height: 1.4;
}
.preview__title:focus { border-bottom-color: var(--primary); }
.preview__title::placeholder {
  color: #d1d5db;
  font-weight: 400;
}

.preview__body {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: "iranyekan", sans-serif;
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 2;
  direction: rtl;
  resize: none;
  width: 100%;
}
.preview__body::placeholder { color: #d1d5db; }

/* ─── EMPTY STATE ─── */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
  background: var(--bg-card);
  margin: 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--card-border);
}
.empty-state__icon {
  width: 72px;
  height: 72px;
  color: #c4b5fd;
  margin-bottom: 0.5rem;
  opacity: 0.75;
}
.empty-state h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}
.empty-state p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 240px;
}
.empty-state .add-btn {
  margin-top: 0.75rem;
  padding: 0.75rem 1.75rem;
}

/* ─── MOBILE ─── */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    right: 0;
    top: 0;
    height: 100%;
    transform: translateX(100%);
    box-shadow: var(--shadow-lg);
    width: min(var(--sidebar-width), 88vw);
  }
  .sidebar--open { transform: translateX(0); }

  .sidebar__close { display: flex; }
  .menu-toggle { display: flex; }
  .mobile-add { display: flex; }

  .topbar { padding: 0 1rem; }
  .topbar__title { text-align: center; }

  .preview {
    margin: 0.75rem;
    padding: 1.25rem 1.25rem;
    border-radius: var(--radius-md);
  }
  .preview__title { font-size: 1.35rem; }
  .preview__body { font-size: 0.95rem; }

  .empty-state {
    margin: 0.75rem;
    border-radius: var(--radius-md);
  }
}

@media (max-width: 480px) {
  .preview { padding: 1rem; margin: 0.5rem; }
  .preview__title { font-size: 1.2rem; }
  .empty-state { margin: 0.5rem; padding: 1.5rem 1rem; }
}