/* ===== VARIABLES ===== */
:root {
  --bg:        #0d0f0e;
  --surface:   #141716;
  --surface2:  #1a1d1b;
  --border:    #2a2e2b;
  --accent:    #7DA33E;
  --accent-dim:#5d7a2e;
  --text:      #dde8d8;
  --muted:     #5a6657;
  --error:     #f0614a;
  --mono:      'Share Tech Mono', monospace;
  --sans:      'Barlow', sans-serif;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 2rem;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px;
}

body.centered { justify-content: center; }

/* ===== CARD ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  width: 100%;
  padding: 2.5rem 2.5rem 2rem;
  position: relative;
}

.card::before, .card::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border-color: var(--accent);
  border-style: solid;
}
.card::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.card::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* ===== HEADER ===== */
.header-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

h1 span { color: var(--accent); }

/* ===== LOGO ===== */
.logo {
  max-height: 36px;
  width: auto;
  display: block;
  margin-bottom: 1.25rem;
}

/* ===== SIGN OUT BUTTON ===== */
.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.logout-btn:hover { border-color: var(--accent-dim); color: var(--text); }

/* ===== SECTION LABEL ===== */
.section-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

/* ===== PROFILE SELECTOR ===== */
.profile-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.profile-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.7rem 0.5rem;
  height: 3.5rem;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.profile-btn:hover { border-color: var(--accent-dim); color: var(--text); }
.profile-btn.selected { border-color: var(--accent); color: var(--accent); background: rgba(125,163,62,0.05); }
.profile-btn .profile-name { display: block; font-size: 0.85rem; margin-bottom: 0.2rem; }
.profile-btn .profile-sub { font-size: 0.58rem; color: var(--muted); }
.profile-btn.selected .profile-sub { color: var(--accent-dim); }
.profile-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ===== DROP ZONE ===== */
.drop-zone {
  border: 1px dashed var(--border);
  padding: 1.75rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
  margin-bottom: 1.75rem;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(125,163,62,0.03);
}

.drop-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}

.drop-icon { font-family: var(--mono); font-size: 1.4rem; color: var(--muted); margin-bottom: 0.5rem; }
.drop-primary { font-size: 0.85rem; color: var(--text); margin-bottom: 0.2rem; }
.drop-secondary { font-family: var(--mono); font-size: 0.63rem; color: var(--muted); }
.file-selected { font-family: var(--mono); font-size: 0.7rem; color: var(--accent); margin-top: 0.5rem; word-break: break-all; }

/* ===== MAPPING ===== */
.mapping-section {
  display: none;
  margin-bottom: 1.75rem;
}

.mapping-section.visible { display: block; }

.mapping-field {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 0.9rem 1rem;
  margin-bottom: 0.5rem;
  transition: border-color 0.15s, background 0.15s;
}

.mapping-field.field-error {
  border-color: var(--error);
  background: rgba(240, 97, 74, 0.04);
}

.mapping-field-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.mapping-field-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.mode-toggle {
  display: flex;
  gap: 0;
}

.mode-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  transition: all 0.12s;
}

.mode-btn:first-child { border-right: none; }
.mode-btn.active { background: rgba(125,163,62,0.08); border: 1px solid var(--accent); color: var(--accent); }
.mode-btn:first-child.active { border-right: 1px solid var(--accent); }

.mapping-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.5rem 0.75rem;
  appearance: none;
  outline: none;
  transition: border-color 0.12s;
}

.mapping-input:focus { border-color: var(--accent-dim); }

select.mapping-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235a6657'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

/* ===== VALIDATION ERROR ===== */
.validation-error {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--error);
  border: 1px solid var(--error);
  background: rgba(240, 97, 74, 0.06);
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.75rem;
}

/* ===== GENERATE BUTTON ===== */
button.generate-btn {
  width: 100%;
  background: var(--accent);
  color: #0d0f0e;
  border: none;
  padding: 0.85rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
}

button.generate-btn:hover:not(:disabled) { background: #95c24a; }
button.generate-btn:active:not(:disabled) { transform: translateY(1px); }
button.generate-btn:disabled { background: var(--accent-dim); cursor: not-allowed; opacity: 0.6; }

/* ===== PROGRESS BAR ===== */
.progress-bar { height: 2px; background: var(--border); margin-top: 0.75rem; overflow: hidden; display: none; }
.progress-bar.active { display: block; }
.progress-fill { height: 100%; background: var(--accent); animation: indeterminate 1.4s infinite ease-in-out; }

@keyframes indeterminate {
  0%   { transform: translateX(-100%); width: 60%; }
  100% { transform: translateX(200%);  width: 60%; }
}

/* ===== STATUS ===== */
.status { margin-top: 1.25rem; font-family: var(--mono); font-size: 0.72rem; min-height: 1.4em; }
.status.idle    { color: var(--muted); }
.status.loading { color: var(--accent); }
.status.success { color: var(--accent); }
.status.error   { color: var(--error); }

/* ===== MISC ===== */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.75rem 0 1.25rem; }
.footer-note { font-family: var(--mono); font-size: 0.62rem; color: var(--muted); }

/* ===== LOGIN FORM ===== */
.error-msg {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--error);
  margin-bottom: 1.25rem;
}

.field-group { margin-bottom: 1.25rem; }

label {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.6rem 0.75rem;
  outline: none;
  transition: border-color 0.12s;
}

input[type="text"]:focus,
input[type="password"]:focus { border-color: var(--accent-dim); }

button.login-btn {
  width: 100%;
  background: var(--accent);
  color: #0d0f0e;
  border: none;
  padding: 0.85rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 0.5rem;
}

button.login-btn:hover { background: #95c24a; }
button.login-btn:active { transform: translateY(1px); }