@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --bg:            #F5F7FA;
  --surface:       #FFFFFF;
  --surface-alt:   #F9FAFB;
  --border:        #E5E7EB;
  --border-light:  #F3F4F6;
  --text:          #111827;
  --text-muted:    #6B7280;
  --text-light:    #9CA3AF;
  --accent:        #2563EB;
  --accent-light:  #EFF6FF;
  --accent-hover:  #1D4ED8;
  --green:         #059669;
  --green-light:   #ECFDF5;
  --amber:         #D97706;
  --amber-light:   #FFFBEB;
  --blue:          #2563EB;
  --blue-light:    #EFF6FF;
  --violet:        #7C3AED;
  --violet-light:  #F5F3FF;
  --red:           #DC2626;
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:     0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:     0 20px 40px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
  --radius:        8px;
  --radius-sm:     6px;
  --radius-lg:     12px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── LOGIN ─────────────────────────────────────────────────────────────── */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image: radial-gradient(ellipse at 60% 0%, rgba(37,99,235,0.06) 0%, transparent 60%);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 40px 40px;
  width: 380px;
  box-shadow: var(--shadow-md);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.login-logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.login-logo-icon svg { width: 20px; height: 20px; }

.login-logo-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.login-logo-text span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 1px;
}

.login-card h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  color: var(--text);
}

.login-card .subtitle {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 13.5px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.form-group input {
  width: 100%;
  padding: 9px 12px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input::placeholder { color: var(--text-light); }
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.error-msg {
  color: var(--red);
  font-size: 13px;
  margin-bottom: 14px;
  min-height: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ─── BUTTONS ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  line-height: 1;
  transition: background 0.13s, border-color 0.13s, color 0.13s, box-shadow 0.13s, opacity 0.13s;
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(37,99,235,0.25);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 5px; }

.btn-claim {
  background: var(--blue-light);
  color: var(--blue);
  border-color: rgba(37,99,235,0.2);
  font-weight: 600;
}
.btn-claim:hover:not(:disabled) {
  background: #DBEAFE;
  border-color: rgba(37,99,235,0.4);
}

.btn-unclaim {
  background: var(--surface);
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-unclaim:hover:not(:disabled) {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn-upload {
  background: var(--green-light);
  color: var(--green);
  border-color: rgba(5,150,105,0.2);
  font-weight: 600;
}
.btn-upload:hover:not(:disabled) {
  background: #D1FAE5;
  border-color: rgba(5,150,105,0.4);
}

.btn-review {
  background: var(--violet-light);
  color: var(--violet);
  border-color: rgba(124,58,237,0.2);
  font-weight: 600;
}
.btn-review:hover:not(:disabled) {
  background: #EDE9FE;
  border-color: rgba(124,58,237,0.4);
}

.btn-logout {
  background: var(--surface);
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-logout:hover {
  color: var(--text);
  border-color: #D1D5DB;
  background: var(--surface-alt);
}

.btn-download {
  background: var(--surface);
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-download:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

.btn-retract {
  background: var(--surface);
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-retract:hover:not(:disabled) {
  background: #FEF2F2;
  border-color: rgba(220,38,38,0.3);
  color: var(--red);
}

/* ─── NAV ────────────────────────────────────────────────────────────────── */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 1px 0 var(--border);
}

.nav-left { display: flex; align-items: center; gap: 14px; }

.nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
}

.nav-brand-icon {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-brand-icon svg { width: 16px; height: 16px; }

.nav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-divider {
  width: 1px;
  height: 18px;
  background: var(--border);
}

.nav-role-pill {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 20px;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(37,99,235,0.15);
}
.nav-role-pill.reviewer {
  background: var(--violet-light);
  color: var(--violet);
  border-color: rgba(124,58,237,0.15);
}

.nav-user {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ─── FILTER BAR ─────────────────────────────────────────────────────────── */

.filters {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.search-wrap {
  position: relative;
}

.search-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
  width: 15px;
  height: 15px;
}

.filters input[type=text] {
  padding: 7px 10px 7px 32px;
  width: 240px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.filters input[type=text]::placeholder { color: var(--text-light); }
.filters input[type=text]:focus {
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}

.filters select {
  padding: 7px 28px 7px 10px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.filters select:focus {
  background-color: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}

.filters-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stats {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
}

.stats strong { color: var(--text); }

.refresh-info {
  color: var(--text-light);
  font-size: 12px;
}

/* ─── TABLE ──────────────────────────────────────────────────────────────── */

.table-wrap {
  padding: 20px 28px 48px;
}

.sticky-scrollbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  z-index: 200;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
}
.sticky-scrollbar-inner { height: 1px; }

.table-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  padding: 11px 14px;
  background: var(--surface-alt);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background 0.1s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #FAFBFF; }

tbody td {
  padding: 11px 14px;
  vertical-align: middle;
  color: var(--text);
}

/* ─── BADGES ─────────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-cat {
  background: var(--surface-alt);
  color: var(--text-muted);
  border: 1px solid var(--border);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0;
}

.badge-available  { background: var(--green-light);  color: var(--green);  border: 1px solid rgba(5,150,105,0.15); }
.badge-inprogress { background: var(--amber-light);   color: var(--amber);  border: 1px solid rgba(217,119,6,0.15); }
.badge-mine       { background: var(--blue-light);    color: var(--blue);   border: 1px solid rgba(37,99,235,0.15); }
.badge-submitted  { background: var(--violet-light);  color: var(--violet); border: 1px solid rgba(124,58,237,0.15); }
.badge-reviewed   { background: var(--green-light);   color: var(--green);  border: 1px solid rgba(5,150,105,0.15); }

/* ─── PROMPT CELL ────────────────────────────────────────────────────────── */

.prompt-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s;
  max-width: 300px;
  line-height: 1.55;
}

.prompt-text:hover { color: var(--text); }

.prompt-text.expanded {
  -webkit-line-clamp: unset;
  overflow: visible;
  color: var(--text);
}

/* ─── REFERENCE IMAGE ────────────────────────────────────────────────────── */

.ref-img {
  width: 72px;
  height: 52px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: zoom-in;
  transition: box-shadow 0.15s, transform 0.15s;
  display: block;
}

.ref-img:hover {
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
}

.no-img {
  width: 72px;
  height: 52px;
  background: var(--surface-alt);
  border-radius: 6px;
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 10px;
  text-align: center;
}

/* ─── UPLOAD AREA ────────────────────────────────────────────────────────── */

.upload-area {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* ─── LOCK ICON ──────────────────────────────────────────────────────────── */

.lock-icon {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-light);
  font-size: 12px;
}

.lock-icon svg { width: 13px; height: 13px; }

/* ─── IMAGE MODAL ────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  cursor: zoom-out;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }

.modal-overlay img {
  max-width: 88vw;
  max-height: 88vh;
  border-radius: 10px;
  box-shadow: 0 32px 64px rgba(0,0,0,0.3);
  animation: scaleIn 0.15s ease;
}

@keyframes scaleIn { from { transform: scale(0.95); opacity: 0 } to { transform: scale(1); opacity: 1 } }

/* ─── LOADING ────────────────────────────────────────────────────────────── */

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 80px;
  color: var(--text-muted);
  font-size: 14px;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2.5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ─── MISC ───────────────────────────────────────────────────────────────── */

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.task-id {
  font-family: 'SFMono-Regular', 'SF Mono', Menlo, monospace;
  font-size: 11.5px;
  color: var(--text-muted);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  white-space: nowrap;
}

.task-name {
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

.reviewer-name {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-weight: 500;
  font-size: 13px;
}

.reviewer-name svg { width: 13px; height: 13px; }

.empty-dash { color: var(--text-light); }

/* Hours badge */
.hours-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber);
  background: var(--amber-light);
  border: 1px solid rgba(217,119,6,0.15);
  border-radius: 20px;
  padding: 2px 8px;
  white-space: nowrap;
}

/* Inline hours input (reviewer est. hours) */
.hours-input {
  width: 70px;
  padding: 3px 7px;
  font-size: 13px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  text-align: center;
  transition: border-color 0.15s;
}
.hours-input:focus { outline: none; border-color: var(--accent); }
.hours-input:hover { border-color: var(--accent); }

/* Review form */
.review-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 180px;
}

.review-form input[type=number],
.review-form textarea {
  padding: 5px 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color 0.15s;
}

.review-form input[type=number] { width: 90px; }
.review-form textarea { width: 100%; resize: vertical; min-height: 52px; }
.review-form input:focus, .review-form textarea:focus { border-color: var(--accent); }

.review-form-row { display: flex; gap: 6px; align-items: center; }
.review-form label { font-size: 11px; color: var(--text-muted); font-weight: 500; white-space: nowrap; }

/* Notes cell */
.notes-text {
  font-size: 12px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  cursor: pointer;
  max-width: 200px;
}
.notes-text.expanded { -webkit-line-clamp: unset; overflow: visible; color: var(--text); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #D1D5DB; }