/* ============================================
   Life With Planners — Tools Design System
   Soft pastel, minimal, GoodNotes-inspired
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=Playfair+Display:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --lavender:     #EDE9F6;
  --lavender-mid: #D8D0F0;
  --lavender-deep:#B8A8E0;
  --blush:        #FBF0F0;
  --blush-mid:    #F5D8D8;
  --sage:         #EDF3ED;
  --sage-mid:     #C8DCC8;
  --peach:        #FEF0E8;
  --peach-mid:    #F5D5BC;
  --warm-white:   #FEFCFB;
  --off-white:    #F8F5F2;
  --card-white:   #FFFFFF;
  --text-dark:    #2D2640;
  --text-mid:     #6B6280;
  --text-light:   #A89DC0;
  --border:       rgba(180,165,210,0.2);
  --shadow-sm:    0 2px 8px rgba(100,80,160,0.06);
  --shadow-md:    0 4px 20px rgba(100,80,160,0.10);
  --shadow-lg:    0 8px 40px rgba(100,80,160,0.14);
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --radius-xl:    28px;
  --radius-pill:  100px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --transition:   all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--warm-white);
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Typography ── */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p  { color: var(--text-mid); line-height: 1.7; }
a  { color: var(--lavender-deep); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--text-dark); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--lavender-deep);
  color: white;
}
.btn-primary:hover {
  background: #A090D0;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: white;
}
.btn-secondary {
  background: var(--lavender);
  color: var(--text-dark);
}
.btn-secondary:hover {
  background: var(--lavender-mid);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-mid);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  background: var(--off-white);
  color: var(--text-dark);
}
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-lg { padding: 15px 32px; font-size: 1rem; }
.btn-icon { padding: 10px; border-radius: var(--radius-sm); }

/* ── Cards ── */
.card {
  background: var(--card-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-padded { padding: 24px; }

/* ── Form Elements ── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-mid);
  letter-spacing: 0.02em;
}
.form-input {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--warm-white);
  transition: var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: var(--lavender-deep);
  background: white;
  box-shadow: 0 0 0 3px rgba(184,168,224,0.15);
}
.form-input::placeholder { color: var(--text-light); }

/* ── Navigation ── */
.tools-nav {
  background: rgba(254,252,251,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
}
.tools-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span { color: var(--lavender-deep); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link:hover, .nav-link.active {
  background: var(--lavender);
  color: var(--text-dark);
}
.nav-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-dark);
  cursor: pointer;
  border: 2px solid var(--border);
  transition: var(--transition);
}
.nav-avatar:hover { border-color: var(--lavender-deep); }

/* ── Page Layout ── */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}
.page-header {
  margin-bottom: 32px;
}
.page-header p {
  margin-top: 8px;
  font-size: 1rem;
}

/* ── Tool Cards (dashboard) ── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.tool-card {
  background: var(--card-white);
  border-radius: var(--radius-xl);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--card-accent, var(--lavender-deep));
}
.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.tool-card-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}
.tool-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.tool-card p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.5;
}
.tool-card-meta {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Streak Badge ── */
.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #FEF0E8, #FBF0F0);
  border: 1px solid var(--peach-mid);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #C0703C;
}

/* ── Empty States ── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-light);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 16px; display: block; }
.empty-state h3 { color: var(--text-mid); font-size: 1.1rem; margin-bottom: 8px; }

/* ── Toast Notifications ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  background: var(--text-dark);
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
  max-width: 300px;
}
.toast.success { background: #4CAF7D; }
.toast.error   { background: #E06070; }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45,38,64,0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--card-white);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--text-dark);
}

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--lavender-mid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--lavender-deep); }

/* ── Mobile ── */
@media (max-width: 768px) {
  .page-container { padding: 20px 16px; }
  .tools-nav { padding: 0 16px; }
  .nav-links .nav-link span { display: none; }
  .tool-grid { grid-template-columns: 1fr; }
  .modal { padding: 24px; }
}

/* ── Utility ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.w-full { width: 100%; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-center { text-align: center; }
.text-muted { color: var(--text-light); }
.font-medium { font-weight: 500; }
.hidden { display: none !important; }