/* ── Demo auth bar (remove in production) ─────── */
.demo-bar {
  position: fixed; top: 20px; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 13px; color: var(--muted);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  z-index: 5;
  white-space: nowrap;
}
.demo-btn {
  background: var(--text); color: #fff;
  border: none; border-radius: 20px;
  padding: 5px 14px;
  font-family: var(--font-body);
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
}
.demo-btn:hover { background: var(--accent); }

/* ── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink-black:     #0B2027;
  --cerulean:      #40798C;
  --tropical-teal: #70A9A1;
  --ash-grey:      #CFD7C7;
  --cornsilk:      #F6F1D1;

  /* --bg:        var(--cornsilk); */
  --bg:        var(--ink-black);
  --surface:   #ffffff;
  --border:    var(--ash-grey);
  --text:      var(--ink-black);
  --muted:     var(--cerulean);
  --accent:    var(--cerulean);
  --accent-h:  var(--tropical-teal);
  --label:     var(--cerulean);
  --shadow:    0 24px 64px rgba(11,32,39,.18), 0 4px 16px rgba(11,32,39,.10);
  --radius:    12px;
  --font-disp: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: 220ms cubic-bezier(.4,0,.2,1);
}


body {
  font-family: var(--font-body);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  /* align-items: center; */
  justify-content: center;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(201,80,26,.07) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(26,24,20,.05) 0%, transparent 50%);
}

/* ── Backdrop ─────────────────────────────────── */
.backdrop {
  position: fixed; inset: 0;
  background: rgba(26,24,20,.35);
  backdrop-filter: blur(3px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
  z-index: 10;
}
.backdrop.show { opacity: 1; pointer-events: all; }

/* ── Compose Button ───────────────────────────── */
.compose-btn {
  position: fixed;
  bottom: 32px; right: 32px;
  display: flex; align-items: center; gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none; border-radius: 50px;
  padding: 14px 24px;
  font-family: var(--font-body);
  font-size: 15px; font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(201,80,26,.45);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  z-index: 5;
}
.compose-btn:hover {
  background: var(--accent-h);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201,80,26,.5);
}
.compose-btn:active { transform: translateY(0); }
.compose-icon { font-size: 16px; }

/* ── Popup ────────────────────────────────────── */
.popup {
  position: fixed;
  bottom: 0; right: 32px;
  width: 560px;
  max-height: 620px;
  background: var(--surface);
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 280ms cubic-bezier(.34,1.26,.64,1), opacity 220ms ease;
  z-index: 20;
  overflow: hidden;
}
.popup.open {
  transform: translateY(0);
  opacity: 1;
}
.popup.minimized .popup-body { display: none; }
.popup.minimized { max-height: unset; }
.popup.expanded {
  top: 50%; left: 50%;
  right: auto; bottom: auto;
  transform: translate(-50%, -50%) !important;
  width: min(720px, 92vw);
  max-height: min(820px, 92vh);
  border-radius: var(--radius);
}
.popup.expanded.open {
  transform: translate(-50%, -50%) !important;
}

/* ── Header ───────────────────────────────────── */
.popup-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--text);
  color: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  user-select: none;
}
.popup-title {
  font-family: var(--font-disp);
  font-size: 15px; letter-spacing: .01em;
}
.popup-controls { display: flex; gap: 4px; }
.ctrl-btn {
  width: 28px; height: 28px;
  border: none; border-radius: 6px;
  background: rgba(255,255,255,.1);
  color: #fff;
  font-size: 16px; line-height: 1;
  cursor: pointer;
  transition: background var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.ctrl-btn:hover { background: rgba(255,255,255,.22); }
.ctrl-btn.close:hover { background: var(--tropical-teal); }

/* ── Body ─────────────────────────────────────── */
.popup-body {
  display: flex; flex-direction: column;
  flex: 1; overflow: hidden;
}

/* ── Fields ───────────────────────────────────── */
.field-row {
  display: flex; align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  min-height: 44px;
  gap: 10px;
}
.field-row.hidden { display: none; }

.field-row label {
  font-size: 12px; font-weight: 500;
  color: var(--label);
  width: 52px; flex-shrink: 0;
  text-transform: uppercase; letter-spacing: .06em;
}
.field-row input {
  flex: 1; border: none; outline: none;
  font-family: var(--font-body);
  font-size: 14px; color: var(--text);
  background: transparent;
}
.field-row input::placeholder { color: var(--muted); }
.cc-bcc { display: flex; gap: 4px; flex-shrink: 0; }
.text-btn {
  background: none; border: none;
  font-family: var(--font-body);
  font-size: 12px; font-weight: 500;
  color: var(--muted);
  cursor: pointer; padding: 4px 6px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
  text-transform: uppercase; letter-spacing: .06em;
}
.text-btn:hover { color: var(--accent); background: rgba(64,121,140,.08); }

/* ── Divider ──────────────────────────────────── */
.divider { height: 1px; background: var(--border); margin: 0; }

/* ── Toolbar ──────────────────────────────────── */
.toolbar {
  display: flex; align-items: center; gap: 2px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--ash-grey);
}
.tool-btn {
  width: 30px; height: 30px;
  border: none; border-radius: 5px;
  background: none; color: var(--label);
  font-size: 13px; cursor: pointer;
  transition: background var(--transition), color var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.tool-btn:hover { background: var(--border); color: var(--text); }
.tool-sep {
  width: 1px; height: 18px;
  background: var(--border); margin: 0 4px;
}

/* ── Editable Body ────────────────────────────── */
.body-area {
  flex: 1; min-height: 200px;
  padding: 16px 18px;
  font-family: var(--font-body);
  font-size: 14px; line-height: 1.7;
  color: var(--text);
  outline: none;
  overflow-y: auto;
  position: relative;
}
.body-area:empty::before {
  content: attr(data-placeholder);
  color: var(--muted); pointer-events: none;
  position: absolute;
}
.body-area blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 12px; margin: 8px 0;
  color: var(--muted); font-style: italic;
}

/* ── Footer ───────────────────────────────────── */
.popup-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  background: var(--ash-grey);
}
.send-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  border: none; border-radius: 8px;
  padding: 9px 22px;
  font-family: var(--font-body);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.send-btn:hover { background: var(--accent-h); transform: translateY(-1px); }
.send-btn:active { transform: none; }
.send-arrow { font-size: 16px; transition: transform var(--transition); }
.send-btn:hover .send-arrow { transform: translateX(3px); }

.footer-actions { display: flex; align-items: center; gap: 4px; }
.icon-btn {
  width: 32px; height: 32px;
  border: none; border-radius: 6px;
  background: none; color: var(--muted);
  font-size: 16px; cursor: pointer;
  transition: background var(--transition), color var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: var(--border); color: var(--text); }
.icon-btn.discard:hover { background: #e8f0f2; color: var(--cerulean); }

/* ── Toast ────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text); color: #fff;
  padding: 11px 24px;
  border-radius: 50px;
  font-size: 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  opacity: 0; pointer-events: none;
  transition: opacity 250ms ease, transform 250ms ease;
  z-index: 99;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Scrollbar ────────────────────────────────── */
.body-area::-webkit-scrollbar { width: 5px; }
.body-area::-webkit-scrollbar-track { background: transparent; }
.body-area::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }