:root {
  --primary-navy: #001432;
  --primary-gold: #f5b025;
  --bg-light: #f4f6fa;
  --text-dark: #1a1a2e;
  --text-muted: #555;
  --border: #dce1eb;
  --white: #ffffff;
  --danger: #d32f2f;
  --success: #2e7d32;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
}

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

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

/* ── Header ── */
header {
  background: var(--primary-navy);
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo span {
  color: var(--white);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.03em;
}

.logo span em {
  color: var(--primary-gold);
  font-style: normal;
}

#user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  font-size: 0.9rem;
}

#user-info img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--primary-gold);
}

#btn-logout {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: background 0.2s;
}

#btn-logout:hover { background: rgba(255,255,255,0.12); }

/* ── Main wrapper ── */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
}

/* ── Login screen ── */
#screen-login {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 3rem 2.5rem;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

#screen-login .icon-lock {
  font-size: 3rem;
  color: var(--primary-gold);
  margin-bottom: 1rem;
}

#screen-login h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.4rem;
}

#screen-login p {
  color: var(--text-muted);
  font-size: 0.93rem;
  margin-bottom: 2rem;
  line-height: 1.55;
}

.btn-google {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--white);
  border: 2px solid var(--border);
  color: var(--text-dark);
  padding: 0.75rem 1.6rem;
  border-radius: 8px;
  font-size: 0.97rem;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow 0.2s, border-color 0.2s;
  text-decoration: none;
}

.btn-google:hover {
  border-color: #4285F4;
  box-shadow: 0 2px 12px rgba(66,133,244,0.18);
}

.btn-google img { width: 22px; height: 22px; }

/* ── Form screen ── */
#screen-form {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 2.5rem 2.5rem;
  max-width: 560px;
  width: 100%;
}

#screen-form h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 0.3rem;
}

#screen-form .subtitle {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1.8rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.35rem;
}

.form-group label span.required {
  color: var(--danger);
  margin-left: 2px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"] {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--bg-light);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--primary-navy);
  background: var(--white);
}

.form-group input[readonly] {
  background: #eef0f5;
  cursor: not-allowed;
  color: var(--text-muted);
}

/* PDF upload area */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
  background: var(--bg-light);
}

.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--primary-gold);
  background: #fffbf0;
}

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

.upload-area .upload-icon {
  font-size: 2rem;
  color: var(--primary-gold);
  margin-bottom: 0.5rem;
}

.upload-area p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.upload-area .file-name {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--primary-navy);
  font-weight: 600;
  word-break: break-all;
}

/* Progress bar */
.progress-wrap {
  display: none;
  margin-top: 0.8rem;
}

.progress-bar-bg {
  background: var(--border);
  border-radius: 99px;
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  background: var(--primary-gold);
  height: 100%;
  width: 0%;
  border-radius: 99px;
  transition: width 0.3s;
}

.progress-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  text-align: right;
}

/* Submit button */
.btn-submit {
  width: 100%;
  padding: 0.82rem;
  background: var(--primary-navy);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-submit:hover:not(:disabled) { background: #002255; }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* Alerts */
.alert {
  border-radius: 8px;
  padding: 0.8rem 1rem;
  font-size: 0.88rem;
  margin-top: 1rem;
  display: none;
}

.alert.success {
  background: #e8f5e9;
  color: var(--success);
  border: 1px solid #a5d6a7;
}

.alert.error {
  background: #ffebee;
  color: var(--danger);
  border: 1px solid #ef9a9a;
}

/* ── Success screen ── */
#screen-success {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 3rem 2.5rem;
  max-width: 480px;
  width: 100%;
  text-align: center;
}

#screen-success .success-icon {
  font-size: 3.5rem;
  color: var(--success);
  margin-bottom: 1rem;
}

#screen-success h2 {
  font-size: 1.5rem;
  color: var(--primary-navy);
  margin-bottom: 0.5rem;
}

#screen-success p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary-navy);
  color: var(--primary-navy);
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover { background: #f0f3fa; }

/* ── Utilities ── */
.hidden { display: none !important; }

/* ── List screen ── */
#screen-list {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 2rem 2.5rem;
  max-width: 760px;
  width: 100%;
  align-self: flex-start;
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.list-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-navy);
}

.btn-nova-redacao {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--primary-navy);
  color: var(--white);
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-nova-redacao:hover { background: #002255; }

.list-loading {
  text-align: center;
  color: var(--text-muted);
  padding: 2.5rem 0;
  font-size: 0.95rem;
}

.list-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.list-empty i {
  font-size: 2.5rem;
  color: var(--border);
  margin-bottom: 0.75rem;
  display: block;
}

.list-empty p {
  margin-bottom: 1.25rem;
  font-size: 0.93rem;
}

.list-error {
  text-align: center;
  color: var(--danger);
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

/* Submission card */
.submission-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  background: var(--bg-light);
  flex-wrap: wrap;
}

.submission-card:last-child { margin-bottom: 0; }

.submission-main { flex: 1; min-width: 0; }

.submission-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary-navy);
  margin-bottom: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.submission-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.submission-meta i { margin-right: 0.25rem; color: var(--primary-gold); }

.submission-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* Status badges */
.status-badge {
  display: inline-block;
  padding: 0.28rem 0.75rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-aguardando {
  background: #fff8e1;
  color: #b45309;
  border: 1px solid #fde68a;
}

.status-em_revisao {
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.status-corrigida {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #86efac;
}

.status-devolvida {
  background: #f3e8ff;
  color: #7e22ce;
  border: 1px solid #d8b4fe;
}

/* Download button */
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  border: 1.5px solid var(--primary-navy);
  color: var(--primary-navy);
  padding: 0.3rem 0.85rem;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.btn-download:hover {
  background: var(--primary-navy);
  color: var(--white);
}

/* Back button (form screen) */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  margin-bottom: 1rem;
  transition: color 0.2s;
}

.btn-back:hover { color: var(--primary-navy); }

/* Success screen — two-button row */
.success-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* ── Footer ── */
footer {
  background: var(--primary-navy);
  color: rgba(255,255,255,0.55);
  text-align: center;
  font-size: 0.8rem;
  padding: 1rem;
}

/* ── Responsive ── */
@media (max-width: 540px) {
  #screen-form,
  #screen-login,
  #screen-success { padding: 2rem 1.2rem; }
}