/* MailCraft AI — Design System v2
   Palette: Warm cream backgrounds, deep forest green accents,
   slate text — the language of trust, clarity, premium.
   Fonts: Fraunces (editorial serif display) + Plus Jakarta Sans (clean body)
*/

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* ── Tokens ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg:        #f7f5f0;      /* warm cream */
  --bg2:       #f0ede6;      /* slightly deeper cream */
  --bg3:       #e8e4db;      /* card hover / subtle */
  --surface:   #ffffff;
  --surface2:  #fdfcfa;

  /* Text */
  --ink:       #1a1a18;      /* near-black warm */
  --ink2:      #4a4a45;      /* secondary text */
  --ink3:      #8a8a82;      /* muted / placeholder */
  --ink4:      #b8b8b0;      /* very muted */

  /* Accent — forest green */
  --green:     #2d6a4f;      /* primary action */
  --green2:    #40916c;      /* hover state */
  --green3:    #52b788;      /* light accent */
  --green-bg:  #d8f3dc;      /* green tint background */
  --green-muted: rgba(45,106,79,0.08);

  /* Status */
  --amber:     #d4870a;
  --amber-bg:  #fef3cd;
  --red:       #c0392b;
  --red-bg:    #fde8e6;
  --blue:      #1a6b9a;
  --blue-bg:   #dbeafe;

  /* Borders */
  --border:    #e2ddd5;
  --border2:   #ccc8be;
  --border3:   rgba(45,106,79,0.25);

  /* Shadows */
  --shadow-xs: 0 1px 3px rgba(26,26,24,0.06);
  --shadow-sm: 0 2px 8px rgba(26,26,24,0.08);
  --shadow-md: 0 4px 20px rgba(26,26,24,0.1);
  --shadow-lg: 0 12px 40px rgba(26,26,24,0.12);
  --shadow-xl: 0 24px 64px rgba(26,26,24,0.14);

  /* Layout */
  --nav-h:     64px;
  --sidebar-w: 240px;
  --r:         10px;
  --r2:        16px;
  --r3:        24px;
}

/* ── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.6;
}

/* ── Typography ─────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Fraunces', serif;
  letter-spacing: -0.3px;
  line-height: 1.15;
  color: var(--ink);
}

/* ── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink3); }

/* ── Keyframes ──────────────────────────────────────── */
@keyframes fadeUp   { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn   { from { opacity:0; } to { opacity:1; } }
@keyframes fadeDown { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:translateY(0); } }
@keyframes scaleIn  { from { opacity:0; transform:scale(.95); } to { opacity:1; transform:scale(1); } }
@keyframes spin     { to { transform:rotate(360deg); } }
@keyframes pulse    { 0%,100%{opacity:1} 50%{opacity:.4} }
@keyframes slideRight { from{transform:translateX(-8px);opacity:0} to{transform:translateX(0);opacity:1} }
@keyframes toastIn  { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
@keyframes toastOut { to{opacity:0;transform:translateY(8px)} }
@keyframes shimmer  { 0%{background-position:-200% 0} 100%{background-position:200% 0} }

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600; font-size: 0.875rem;
  padding: 10px 20px; border-radius: var(--r);
  border: none; cursor: pointer;
  transition: all .18s ease;
  white-space: nowrap; text-decoration: none;
  position: relative; overflow: hidden;
  letter-spacing: 0.01em;
}
.btn:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 1px 3px rgba(45,106,79,0.3), 0 4px 12px rgba(45,106,79,0.15);
}
.btn-primary:hover {
  background: var(--green2);
  box-shadow: 0 2px 6px rgba(45,106,79,0.35), 0 6px 20px rgba(45,106,79,0.2);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border: 1.5px solid var(--border2);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: var(--bg2);
  border-color: var(--ink3);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink2);
  border: 1.5px solid transparent;
}
.btn-ghost:hover {
  background: var(--bg3);
  color: var(--ink);
}

.btn-green-soft {
  background: var(--green-bg);
  color: var(--green);
  border: 1.5px solid rgba(45,106,79,0.2);
}
.btn-green-soft:hover {
  background: #c7ead0;
  border-color: rgba(45,106,79,0.35);
}

.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border: 1.5px solid rgba(192,57,43,0.2);
}

.btn-lg { padding: 13px 28px; font-size: 1rem; border-radius: 12px; }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; border-radius: 8px; }
.btn-xl { padding: 16px 36px; font-size: 1.05rem; border-radius: 14px; }
.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.55; cursor: not-allowed; transform: none !important;
  box-shadow: none !important;
}

/* ── Form Elements ──────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.label {
  font-size: 0.78rem; font-weight: 600;
  color: var(--ink2); letter-spacing: 0.04em;
  text-transform: uppercase;
}

.input, .select, .textarea {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--r);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9rem;
  transition: border-color .15s, box-shadow .15s, background .15s;
  outline: none;
}
.input:hover, .select:hover { border-color: var(--border2); }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(45,106,79,0.1);
  background: var(--surface);
}
.input::placeholder, .textarea::placeholder { color: var(--ink4); }
.textarea { resize: vertical; min-height: 110px; line-height: 1.65; }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238a8a82' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
  cursor: pointer;
}

.input-row { display: flex; gap: 10px; }
.input-row .input { flex: 1; }

/* Input with hint */
.field-hint { font-size: 0.75rem; color: var(--ink3); margin-top: 2px; }
.field-error { font-size: 0.78rem; color: var(--red); margin-top: 2px; min-height: 18px; }

/* ── Card ───────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  box-shadow: var(--shadow-sm);
}
.card-pad  { padding: 28px 30px; }
.card-pad-lg { padding: 36px 40px; }

/* ── Badge ──────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 20px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.02em;
}
.badge-green  { background: var(--green-bg); color: var(--green); }
.badge-amber  { background: var(--amber-bg); color: var(--amber); }
.badge-red    { background: var(--red-bg); color: var(--red); }
.badge-blue   { background: var(--blue-bg); color: var(--blue); }
.badge-neutral{ background: var(--bg3); color: var(--ink2); border: 1px solid var(--border); }

/* ── Spinner ────────────────────────────────────────── */
.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--border2);
  border-top-color: var(--green);
  animation: spin .7s linear infinite;
  flex-shrink: 0; display: inline-block;
}
.spinner-sm { width: 13px; height: 13px; border-width: 1.5px; }
.spinner-lg { width: 24px; height: 24px; border-width: 3px; }

/* ── Divider ────────────────────────────────────────── */
.divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.divider span { font-size: 0.78rem; color: var(--ink3); white-space: nowrap; }

/* ── Toast ──────────────────────────────────────────── */
.toast-stack {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9000; display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}
.toast {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px; border-radius: var(--r2);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem; max-width: 340px; pointer-events: all;
  animation: toastIn .3s ease both;
}
.toast-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.toast-body { flex: 1; }
.toast-title { font-weight: 600; color: var(--ink); font-size: 0.875rem; }
.toast-msg   { color: var(--ink2); font-size: 0.82rem; margin-top: 1px; }
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }
.toast.info    { border-left: 3px solid var(--blue); }
.toast.warning { border-left: 3px solid var(--amber); }

/* ── Tags / Chips ───────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 11px; border-radius: 20px; font-size: 0.8rem; font-weight: 500;
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--ink2); cursor: pointer; transition: all .15s;
}
.chip:hover { background: var(--bg3); border-color: var(--border2); }
.chip.active {
  background: var(--green-bg); border-color: var(--border3);
  color: var(--green); font-weight: 600;
}
.chip.verified {
  background: var(--green-bg); border-color: rgba(45,106,79,0.3); color: var(--green);
}

/* ── Step indicator ─────────────────────────────────── */
.step-list { display: flex; flex-direction: column; gap: 6px; }
.step-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px; border-radius: var(--r);
  border: 1px solid transparent;
  transition: all .25s ease;
}
.step-item.pending { background: var(--bg2); border-color: var(--border); opacity: .55; }
.step-item.active  { background: #f0f9f4; border-color: rgba(45,106,79,0.25); }
.step-item.done    { background: #f0f9f4; border-color: rgba(45,106,79,0.2); }
.step-ico { width: 24px; text-align: center; font-size: 0.9rem; flex-shrink: 0; padding-top: 2px; }
.step-name { font-size: 0.85rem; font-weight: 600; color: var(--ink); }
.step-desc { font-size: 0.77rem; color: var(--ink3); margin-top: 1px; }

/* ── Typing dots ────────────────────────────────────── */
.dots { display: inline-flex; gap: 4px; align-items: center; }
.dots span {
  width: 5px; height: 5px; background: var(--green3); border-radius: 50%;
  animation: pulse 1.2s ease infinite;
}
.dots span:nth-child(2) { animation-delay: .2s; }
.dots span:nth-child(3) { animation-delay: .4s; }

/* ── Grid helpers ───────────────────────────────────── */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ── Reveal animations ──────────────────────────────── */
.reveal   { animation: fadeUp .4s ease both; }
.d1 { animation-delay: .04s; }
.d2 { animation-delay: .10s; }
.d3 { animation-delay: .17s; }
.d4 { animation-delay: .24s; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 768px) {
  .g2, .g3 { grid-template-columns: 1fr; }
}