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

:root {
  --bg:       #0d0d0d;
  --surface:  #161616;
  --surface2: #1e1e1e;
  --border:   #2a2a2a;
  --accent:   #e8c97a;
  --accent2:  #c4a24f;
  --text:     #f0ece4;
  --muted:    #6b6560;
  --danger:   #c0392b;
  --success:  #27ae60;
  --radius:   12px;
}

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  overflow-x: hidden;
}

body {
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(232,201,122,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(232,201,122,0.05) 0%, transparent 60%);
}

.social-icon {
 cursor: pointer;
 text-decoration: none;
}

/* ── HEADER ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
  min-height: 72px;
}

.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.logo span { color: var(--text); font-style: italic; }

.header-right { display: flex; align-items: center; gap: 16px; }

.session-info {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.counter-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: all 0.3s;
}
.counter-pill .count-num { color: var(--accent); font-weight: 500; transition: all 0.3s; }
.counter-pill.full { border-color: var(--danger); }
.counter-pill.full .count-num { color: var(--danger); }

.progress-bar-wrap { width: 72px; height: 3px; background: var(--border); border-radius: 99px; overflow: hidden; }
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 99px;
  transition: width 0.4s cubic-bezier(.4,0,.2,1);
}
.progress-bar-fill.full { background: var(--danger); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: #0d0d0d; }
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.38; cursor: not-allowed; transform: none; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--muted); color: var(--text); }
.btn-full { width: 100%; margin-top: 8px; padding: 14px; font-size: 0.88rem; }

/* ── MAIN ── */
main {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 32px 80px;
}

/* ── STEP SECTIONS ── */
.step-section { animation: fadeUp 0.4s cubic-bezier(.4,0,.2,1) forwards; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.step-intro { text-align: center; margin-bottom: 36px; }

.step-badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent2);
  border: 1px solid rgba(232,201,122,0.25);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.step-title {
  font-family: 'DM Serif Display', serif;
  font-size: 2.2rem;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.step-sub {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ── FORM CARD ── */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(232,201,122,0.04), transparent);
  pointer-events: none;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.required { color: var(--accent); margin-left: 3px; }
.optional { color: var(--muted); font-size: 0.7rem; margin-left: 4px; text-transform: none; letter-spacing: 0; }

.form-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 0.88rem;
  padding: 12px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder { color: var(--muted); }
.form-input:focus {
  outline: none;
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(232,201,122,0.08);
}

/* date input icon color fix */
.form-input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.6);
  cursor: pointer;
}

.form-textarea { resize: vertical; min-height: 88px; line-height: 1.6; }

.field-hint { font-size: 0.7rem; color: var(--muted); letter-spacing: 0.02em; }

.form-error {
  font-size: 0.78rem;
  color: #e74c3c;
  background: rgba(192,57,43,0.1);
  border: 1px solid rgba(192,57,43,0.2);
  border-radius: 6px;
  padding: 10px 14px;
  display: none;
}
.form-error.visible { display: block; }

/* ── FOLDER BANNER ── */
.folder-banner {
  background: var(--surface);
  border: 1px solid rgba(232,201,122,0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 28px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.folder-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.folder-details { flex: 1; min-width: 0; }

.folder-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.folder-meta {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.7;
}

.folder-id {
  font-size: 0.65rem;
  color: var(--muted);
  opacity: 0.5;
  font-family: 'DM Mono', monospace;
  margin-top: 4px;
  letter-spacing: 0.03em;
}

/* ── DROP ZONE ── */
.drop-zone {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 56px 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  background: var(--surface);
  margin-bottom: 40px;
  overflow: hidden;
}

.drop-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(232,201,122,0.04), transparent);
  pointer-events: none;
}

.drop-zone:hover,
.drop-zone.drag-over { border-color: var(--accent); background: rgba(232,201,122,0.03); }
.drop-zone.drag-over { transform: scale(1.004); }
.drop-zone.disabled  { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.drop-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--border);
  border-radius: 14px;
  font-size: 1.5rem;
  background: var(--surface2);
  transition: all 0.25s;
}

.drop-zone:hover .drop-icon,
.drop-zone.drag-over .drop-icon {
  border-color: var(--accent);
  background: rgba(232,201,122,0.1);
  transform: translateY(-3px);
}

.drop-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--text);
}

.drop-sub { font-size: 0.78rem; color: var(--muted); line-height: 1.7; }
.drop-sub strong { color: var(--accent); font-weight: 500; }

#fileInput { display: none; }

/* ── SECTION HEADER ── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.2rem;
  color: var(--text);
}

.section-title .total {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: 10px;
  font-style: normal;
}

.actions-bar { display: flex; align-items: center; gap: 10px; }

/* ── PHOTO GRID ── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.photo-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface2);
  aspect-ratio: 1;
  animation: cardIn 0.4s cubic-bezier(.4,0,.2,1) forwards;
  opacity: 0;
}

@keyframes cardIn {
  from { opacity: 0; transform: scale(0.92) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.photo-card:hover img { transform: scale(1.05); }

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.25s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10px;
}

.photo-card:hover .photo-overlay { opacity: 1; }

.photo-name {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.02em;
}

.photo-size { font-size: 0.62rem; color: rgba(255,255,255,0.5); margin-top: 2px; }

.remove-btn {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
}

.photo-card:hover .remove-btn { opacity: 1; }
.remove-btn:hover { background: var(--danger); border-color: var(--danger); transform: scale(1.1); }

.photo-index {
  position: absolute;
  top: 7px;
  left: 7px;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 5px;
  font-size: 0.62rem;
  color: rgba(255,255,255,0.6);
  padding: 2px 5px;
  backdrop-filter: blur(4px);
  letter-spacing: 0.04em;
}

.upload-badge {
  position: absolute;
  bottom: 7px;
  right: 7px;
  font-size: 0.62rem;
  padding: 2px 7px;
  border-radius: 5px;
  font-family: 'DM Mono', monospace;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.upload-badge.uploading {
  background: rgba(232,201,122,0.18);
  color: #e8c97a;
  border: 1px solid rgba(232,201,122,0.35);
  animation: pulse 1.2s ease-in-out infinite;
}

.upload-badge.error {
  background: rgba(192,57,43,0.18);
  color: #e74c3c;
  border: 1px solid rgba(192,57,43,0.35);
}

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.45} }

/* ── EMPTY STATE ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 0;
  gap: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.empty-state .empty-icon { font-size: 2.2rem; opacity: 0.28; }

/* ── LIGHTBOX ── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(8px);
}

.lightbox.active { opacity: 1; pointer-events: all; }

.lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  border-radius: 10px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.8);
  animation: lbIn 0.3s cubic-bezier(.4,0,.2,1);
}

@keyframes lbIn {
  from { transform: scale(0.94); opacity: 0; }
  to   { transform: scale(1);    opacity: 1; }
}

.lb-close {
  position: absolute;
  top: 24px;
  right: 28px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.14);
  color: white;
  font-size: 1.1rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.lb-close:hover { background: rgba(255,255,255,0.2); }

.lb-info {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 7px 18px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.7);
  text-align: center;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}

/* ── TOAST ── */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}

.toast {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 11px 16px;
  font-size: 0.78rem;
  max-width: 300px;
  animation: slideIn 0.3s cubic-bezier(.4,0,.2,1) forwards;
  box-shadow: 0 8px 28px rgba(0,0,0,0.4);
}

.toast.error   { border-left-color: var(--danger);  }
.toast.success { border-left-color: var(--success); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(18px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── RESPONSIVE ── */

/* Tablet (até 768px) */
@media (max-width: 768px) {
  header { padding: 18px 28px; }
  main   { padding: 40px 24px 72px; }

  .step-title { font-size: 1.9rem; }

  .session-info { max-width: 160px; font-size: 0.68rem; }
  .counter-pill { padding: 5px 12px; font-size: 0.74rem; }
  .progress-bar-wrap { width: 56px; }

  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
}

/* Mobile (até 480px) */
@media (max-width: 480px) {
  header {
    padding: 14px 16px;
    gap: 10px;
    flex-wrap: wrap;
    min-height: auto;
  }

  .logo { font-size: 1.15rem; }

  .header-right {
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .session-info { display: none; }

  .counter-pill { padding: 5px 10px; font-size: 0.7rem; gap: 5px; }
  .progress-bar-wrap { width: 44px; }

  .btn      { padding: 8px 14px; font-size: 0.76rem; }
  .btn-full { padding: 13px; font-size: 0.84rem; }

  main { padding: 28px 16px 64px; }

  .step-intro { margin-bottom: 24px; }
  .step-badge { font-size: 0.65rem; padding: 3px 12px; }
  .step-title { font-size: 1.6rem; margin-bottom: 10px; }
  .step-sub   { font-size: 0.78rem; }

  .form-card     { padding: 20px 16px; gap: 18px; }
  .form-label    { font-size: 0.7rem; }
  .form-input    { font-size: 0.82rem; padding: 11px 12px; }
  .form-textarea { min-height: 76px; }
  .field-hint    { font-size: 0.66rem; }

  .folder-banner { padding: 13px 14px; gap: 10px; }
  .folder-icon   { font-size: 1.2rem; }
  .folder-name   { font-size: 0.98rem; }
  .folder-meta   { font-size: 0.68rem; }
  .folder-id     { font-size: 0.6rem; }

  .drop-zone  { padding: 36px 18px; margin-bottom: 28px; }
  .drop-icon  { width: 44px; height: 44px; font-size: 1.3rem; border-radius: 11px; }
  .drop-title { font-size: 1.25rem; }
  .drop-sub   { font-size: 0.74rem; }

  .section-title { font-size: 1.05rem; }

  .photo-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 7px;
  }

  .photo-name  { font-size: 0.6rem; }
  .photo-size  { font-size: 0.56rem; }
  .photo-index { font-size: 0.56rem; padding: 1px 4px; }

  /* botão de remover sempre visível no mobile (sem hover) */
  .remove-btn {
    width: 22px;
    height: 22px;
    font-size: 0.7rem;
    top: 5px;
    right: 5px;
    opacity: 1;
  }

  .upload-badge { font-size: 0.56rem; padding: 1px 5px; }

  .lb-close { top: 16px; right: 16px; width: 36px; height: 36px; font-size: 1rem; }
  .lb-info  { font-size: 0.65rem; padding: 6px 14px; bottom: 16px; }

  .toast-container {
    bottom: 16px;
    right: 16px;
    left: 16px;
    align-items: stretch;
  }
  .toast { max-width: 100%; font-size: 0.74rem; }
}

/* Mobile pequeno (até 360px) */
@media (max-width: 360px) {
  .logo { font-size: 1rem; }

  .step-title { font-size: 1.4rem; }

  .form-card { padding: 16px 12px; gap: 16px; }
  .drop-zone { padding: 28px 14px; }

  .photo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  /* esconde contador em telas muito pequenas para não quebrar o header */
  .counter-pill { display: none; }

  .btn { padding: 8px 12px; font-size: 0.72rem; }
}