/* ── VARIABLES ── */
:root {
  --bg:       #faf8f5;
  --bg2:      #ffffff;
  --bg3:      #f4f0eb;
  --bg4:      #ede8e0;
  --burg:     #6b1d2e;
  --burg2:    #8b2a3f;
  --burg-dim: rgba(107, 29, 46, 0.07);
  --burg-d2:  rgba(107, 29, 46, 0.13);
  --gold:     #9c6b35;
  --gold-dim: rgba(156, 107, 53, 0.10);
  --border:   #e2dbd2;
  --border2:  #d0c8bc;
  --text:     #1c1814;
  --text2:    #4a3f35;
  --text3:    #8a7d72;
  --green:    #3a6b4a;
  --red:      #8b2a2a;
  --shadow:   0 2px 12px rgba(0, 0, 0, 0.06);
  --r:        14px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: 'Jost', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
header {
  background: var(--burg);
  padding: 0 2.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 16px rgba(107, 29, 46, 0.25);
  position: sticky;
  top: 0;
  z-index: 20;
}

.logo-wrap { display: flex; align-items: baseline; }

.logo-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.85rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: #fff;
}

.logo-name em { font-style: italic; color: #e8c9a0; }

.logo-tag {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-left: 0.5rem;
}

.ai-badge {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e8c9a0;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
}

/* ── HERO ── */
.hero {
  text-align: center;
  padding: 2.5rem 2rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.hero-title em { font-style: italic; color: var(--burg); }

.hero-sub {
  font-size: 0.88rem;
  color: var(--text3);
  max-width: 520px;
  margin: 0 auto 1.2rem;
  line-height: 1.7;
}

.ornament {
  color: var(--burg);
  opacity: 0.35;
  font-size: 1rem;
  letter-spacing: 0.5em;
}

/* ── USAGE BANNER ── */
.usage-banner {
  background: var(--burg-dim);
  border: 1px solid rgba(107, 29, 46, 0.15);
  border-radius: var(--r);
  padding: 0.9rem 1.4rem;
  margin: 1.1rem auto 0;
  max-width: 900px;
  width: calc(100% - 4rem);
}

.usage-title {
  font-size: 0.67rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--burg);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.usage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.usage-item { display: flex; gap: 0.5rem; align-items: flex-start; }
.usage-icon { font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }
.usage-text { font-size: 0.77rem; color: var(--text2); line-height: 1.5; }
.usage-text strong { color: var(--burg); font-weight: 600; }

/* ── APP LAYOUT ── */
.app-wrap {
  flex: 1;
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 1.75rem;
  max-width: 1380px;
  margin: 0 auto;
  width: 100%;
  padding: 1.75rem 2rem 2.5rem;
}

/* ── PANELS ── */
.panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--bg3);
}

.ph-icon {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--bg2);
  border: 1px solid var(--border2);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.ph-icon svg { width: 13px; height: 13px; stroke: var(--burg); fill: none; stroke-width: 1.8; }

.ph-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.04em;
}

.ph-sub { font-size: 0.72rem; color: var(--text3); margin-top: 1px; }

.panel-body {
  padding: 1.3rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  overflow-y: auto;
}

/* ── FORM ELEMENTS ── */
.field-label {
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  font-weight: 600;
  margin-bottom: 0.38rem;
}

.field-hint {
  color: var(--gold);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
}

.two-col { display: flex; gap: 0.65rem; }
.two-col > div { flex: 1; }

select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border2);
  color: var(--text);
  border-radius: 8px;
  padding: 0.5rem 2rem 0.5rem 0.8rem;
  font-family: 'Jost', sans-serif;
  font-size: 0.84rem;
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a7d72' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.18s;
}

select:focus { border-color: var(--burg); }

/* ── PROFILES ── */
.profiles { display: flex; flex-direction: column; gap: 0.35rem; }

.profile-btn {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.7rem;
  border-radius: 9px;
  border: 1.5px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: all 0.17s;
  text-align: left;
  width: 100%;
}

.profile-btn:hover { border-color: var(--burg); background: var(--burg-dim); }
.profile-btn.active { border-color: var(--burg); background: var(--burg-d2); }
.profile-emoji { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.profile-name { font-size: 0.82rem; font-weight: 600; color: var(--text); line-height: 1.2; }
.profile-desc { font-size: 0.72rem; color: var(--text3); line-height: 1.35; margin-top: 1px; }
.profile-btn.active .profile-name { color: var(--burg); }

/* ── OPTIONS ── */
.options-grid { display: flex; flex-direction: column; gap: 0.3rem; }

.option-row {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: all 0.17s;
  width: 100%;
  text-align: left;
}

.option-row:hover { border-color: var(--burg); background: var(--burg-dim); }
.option-row.checked { border-color: var(--burg); background: var(--burg-dim); }

.opt-checkbox {
  width: 16px; height: 16px;
  border: 1.5px solid var(--border2);
  border-radius: 4px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.17s;
}

.option-row.checked .opt-checkbox { background: var(--burg); border-color: var(--burg); }
.opt-check-icon { display: none; color: #fff; font-size: 0.65rem; font-weight: 700; }
.option-row.checked .opt-check-icon { display: block; }
.opt-name { font-size: 0.82rem; font-weight: 500; color: var(--text); line-height: 1.2; }
.opt-time { font-size: 0.7rem; color: var(--text3); margin-top: 1px; }
.opt-warn { color: var(--gold); font-weight: 500; }

/* ── CHIPS ── */
.chips { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.chip {
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text3);
  font-size: 0.73rem;
  font-family: 'Jost', sans-serif;
  cursor: pointer;
  transition: all 0.17s;
}

.chip:hover { border-color: var(--burg); color: var(--burg); }
.chip.active { background: var(--burg-d2); border-color: var(--burg); color: var(--burg); font-weight: 500; }

/* ── TEXTAREA ── */
textarea {
  width: 100%;
  min-height: 180px;
  resize: none;
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 0.95rem 1.05rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color 0.18s, background 0.18s;
}

textarea:focus { border-color: var(--burg); background: #fff; }
textarea::placeholder { color: var(--text3); font-style: italic; }

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.4rem;
}

.word-count { font-size: 0.72rem; color: var(--text3); }
.word-hint { font-size: 0.7rem; color: var(--gold); font-style: italic; }

/* ── BUTTONS ── */
.btn-row { display: flex; gap: 0.6rem; }

.submit-btn {
  flex: 1;
  padding: 0.8rem;
  background: var(--burg);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  letter-spacing: 0.07em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s;
  box-shadow: 0 2px 12px rgba(107, 29, 46, 0.2);
}

.submit-btn:hover { background: var(--burg2); box-shadow: 0 4px 20px rgba(107, 29, 46, 0.3); }
.submit-btn:active { transform: scale(0.985); }
.submit-btn:disabled { background: var(--border2); box-shadow: none; cursor: not-allowed; transform: none; color: var(--text3); }
.submit-btn svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.8; }

.cancel-btn {
  padding: 0.8rem 1.1rem;
  background: transparent;
  color: var(--red);
  border: 1.5px solid rgba(139, 42, 42, 0.3);
  border-radius: 10px;
  font-family: 'Jost', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.2s;
  white-space: nowrap;
}

.cancel-btn:hover { background: rgba(139, 42, 42, 0.07); border-color: var(--red); }
.cancel-btn.visible { display: flex; }
.cancel-btn svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ── TABS ── */
.tabs {
  display: none;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.tabs.visible { display: flex; }

.tab {
  flex: 1;
  padding: 0.65rem 0.4rem;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text3);
  cursor: pointer;
  border: none;
  background: transparent;
  border-bottom: 2.5px solid transparent;
  transition: all 0.18s;
  font-family: 'Jost', sans-serif;
}

.tab:hover { color: var(--burg); }
.tab.active { color: var(--burg); border-bottom-color: var(--burg); background: var(--bg2); }

.download-tab {
  color: var(--burg) !important;
  font-weight: 600;
  border-left: 1px solid var(--border);
  flex: 0 0 auto;
  padding-left: 1.1rem;
  padding-right: 1.1rem;
}

.download-tab:hover { background: var(--burg-dim) !important; }

/* ── TAB PANES ── */
.tab-pane {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow-y: auto;
  padding: 1.3rem 1.5rem;
  gap: 1.2rem;
}

.tab-pane.active { display: flex; }

.tab-pane::-webkit-scrollbar { width: 4px; }
.tab-pane::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ── PLACEHOLDER ── */
.placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  color: var(--text3);
  text-align: center;
  padding: 2rem;
}

.q-icon { font-size: 2.2rem; opacity: 0.2; }

.placeholder p {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  font-style: italic;
  line-height: 1.7;
  max-width: 240px;
}

/* ── LOADING ── */
.loading {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.q-anim { font-size: 2rem; animation: bob 1.4s ease-in-out infinite; }

@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50%       { transform: translateY(-8px) rotate(4deg); }
}

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

.loading-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text3);
}

.loading-sub { font-size: 0.75rem; color: var(--text3); opacity: 0.7; }

/* ── ANALYSIS RESULT ── */
.r-section { display: flex; flex-direction: column; gap: 0.48rem; }

.r-title {
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--burg);
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.r-body { font-size: 0.86rem; line-height: 1.75; color: var(--text2); }

.sug-item {
  display: flex;
  gap: 0.58rem;
  padding: 0.62rem 0.88rem;
  border-radius: 8px;
  background: var(--bg3);
  border: 1px solid var(--border);
  margin-bottom: 0.42rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text2);
}

.sug-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  color: var(--burg);
  opacity: 0.5;
  flex-shrink: 0;
  width: 16px;
  text-align: right;
  line-height: 1.5;
}

.tag-row { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.tag {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.73rem;
  border: 1px solid;
}

.tag.s { border-color: var(--green); color: var(--green); background: rgba(58, 107, 74, 0.07); }
.tag.w { border-color: var(--red); color: var(--red); background: rgba(139, 42, 42, 0.07); }

/* ── REWRITE ── */
.rewrite-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.05rem 1.15rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
  white-space: pre-wrap;
}

.copy-btn {
  padding: 0.5rem 1rem;
  border: 1.5px solid var(--burg);
  background: transparent;
  color: var(--burg);
  border-radius: 8px;
  font-family: 'Jost', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.38rem;
  transition: all 0.18s;
  align-self: flex-start;
  margin-top: 0.3rem;
}

.copy-btn:hover { background: var(--burg); color: #fff; }
.copy-btn svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ── CHAT ── */
.chat-messages {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  overflow-y: auto;
  min-height: 200px;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

.msg { display: flex; gap: 0.55rem; align-items: flex-start; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: none; }
}

.msg.user { flex-direction: row-reverse; }

.msg-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.msg-avatar.ed { background: var(--burg); color: #fff; font-family: 'Cormorant Garamond', serif; font-size: 0.82rem; }
.msg-avatar.us { background: var(--bg4); border: 1px solid var(--border2); }

.msg-bubble {
  max-width: 85%;
  padding: 0.65rem 0.95rem;
  border-radius: 11px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text2);
}

.msg.editor .msg-bubble { background: var(--bg3); border: 1px solid var(--border); border-top-left-radius: 3px; }
.msg.user   .msg-bubble { background: var(--burg-dim); border: 1px solid rgba(107,29,46,0.15); color: var(--text); border-top-right-radius: 3px; font-family: 'Cormorant Garamond', serif; font-size: 0.9rem; }

.chat-footer { border-top: 1px solid var(--border); padding-top: 0.7rem; margin-top: 0.5rem; }

.chat-input-row { display: flex; gap: 0.55rem; }

.chat-input {
  flex: 1;
  border: 1px solid var(--border2);
  border-radius: 9px;
  padding: 0.58rem 0.85rem;
  font-family: 'Jost', sans-serif;
  font-size: 0.84rem;
  color: var(--text);
  background: var(--bg3);
  outline: none;
  transition: border-color 0.18s;
}

.chat-input:focus { border-color: var(--burg); background: #fff; }

.chat-send {
  padding: 0.55rem 0.95rem;
  background: var(--burg);
  color: #fff;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: 'Jost', sans-serif;
  font-weight: 500;
  transition: background 0.18s;
  white-space: nowrap;
}

.chat-send:hover { background: var(--burg2); }
.chat-send:disabled { background: var(--border2); cursor: not-allowed; }

.chat-note { font-size: 0.7rem; color: var(--text3); font-style: italic; text-align: center; padding-top: 0.3rem; }

/* ── ERROR ── */
.error-box {
  background: rgba(139, 42, 42, 0.07);
  border: 1px solid rgba(139, 42, 42, 0.2);
  border-radius: 10px;
  padding: 0.88rem 1.1rem;
  font-size: 0.84rem;
  color: var(--red);
  line-height: 1.6;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1rem;
  font-size: 0.71rem;
  color: var(--text3);
  letter-spacing: 0.04em;
  background: var(--bg2);
}

footer span { color: var(--burg); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .app-wrap { grid-template-columns: 1fr; padding: 1.25rem 1rem 2.5rem; }
  .usage-grid { grid-template-columns: 1fr; }
  .usage-banner { width: calc(100% - 2rem); margin: 0.9rem auto 0; }
  header { padding: 0 1.25rem; }
  .hero { padding: 2rem 1rem 1.4rem; }
}