/* =============================================================
   OrangePix Visitor Manager — Stylesheet
   ============================================================= */

/* ---- Reset & variabili ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --op-orange:       #E58A3F;
  --op-orange-dark:  #B56B2F;
  --op-orange-light: #F0A050;
  --op-bg:           #0E0E0E;
  --op-surface:      #1A1A1A;
  --op-surface2:     #242424;
  --op-border:       rgba(255, 255, 255, 0.08);
  --op-border-hover: rgba(255, 255, 255, 0.18);
  --op-text:         #F0EDE8;
  --op-muted:        #888880;
  --op-success:      #2ECC71;
  --op-blue:         #3498db;
  --op-radius:       12px;
  --op-radius-sm:    8px;
}

/* ---- Base ---- */
html, body {
  min-height: 100vh;
  background: var(--op-bg);
  color: var(--op-text);
  font-family: 'DM Sans', sans-serif;
}

/* ---- Layout ---- */
.app {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 0 60px;
}

/* ---- Header ---- */
.header {
  background: var(--op-surface);
  border-bottom: 1px solid var(--op-border);
  padding: 18px 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo-badge {
  height: 38px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-badge img {
  height: 28px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.header-info {
  flex: 1;
  text-align: center;
}
  font-size: 16px;
  font-weight: 600;
  color: var(--op-text);
  letter-spacing: -0.3px;
}

.header-info h1 span {
  color: var(--op-orange);
}

.header-info p {
  font-size: 12px;
  color: var(--op-muted);
  margin-top: 1px;
}

.header-clock {
  margin-left: auto;
  text-align: right;
}

.header-clock strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--op-text);
  font-variant-numeric: tabular-nums;
}

.header-clock span {
  font-size: 12px;
  color: var(--op-muted);
}

/* ---- Screens ---- */
.screen {
  display: none;
  padding: 32px 28px;
}

.screen.active {
  display: block;
}

/* ---- Welcome ---- */
.welcome-head {
  margin-bottom: 32px;
}

.welcome-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--op-text);
  letter-spacing: -0.6px;
  line-height: 1.2;
}

.welcome-head h2 span {
  color: var(--op-orange);
}

.welcome-head p {
  font-size: 14px;
  color: var(--op-muted);
  margin-top: 8px;
}

.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.welcome-btn {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius);
  padding: 32px 24px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  user-select: none;
}

.welcome-btn:hover {
  border-color: var(--op-orange);
  background: var(--op-surface2);
  transform: translateY(-2px);
}

.welcome-btn:active {
  transform: translateY(0);
}

.welcome-btn .icon {
  font-size: 38px;
  margin-bottom: 14px;
  display: block;
}

.welcome-btn .btn-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--op-text);
  margin-bottom: 6px;
}

.welcome-btn .btn-sub {
  font-size: 13px;
  color: var(--op-muted);
}

.welcome-btn.entry {
  border-top: 3px solid var(--op-orange);
}

.welcome-btn.exit {
  border-top: 3px solid var(--op-blue);
}

.btn-storico {
  display: block;
  text-align: center;
  margin-top: 16px;
  padding: 11px;
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  color: var(--op-muted);
  font-size: 13px;
  text-decoration: none;
  transition: all 0.15s;
}

.btn-storico:hover {
  border-color: var(--op-border-hover);
  color: var(--op-text);
}

/* ---- Stats bar ---- */
.stats-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}

.stat-card {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  padding: 16px 18px;
}

.stat-label {
  font-size: 11px;
  color: var(--op-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stat-value.orange {
  color: var(--op-orange);
}

/* ---- Screen titles ---- */
.screen-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--op-text);
  margin-bottom: 4px;
  letter-spacing: -0.4px;
}

.screen-sub {
  font-size: 13px;
  color: var(--op-muted);
  margin-bottom: 28px;
}

/* ---- Back button ---- */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--op-muted);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  margin-bottom: 20px;
  padding: 0;
  transition: color 0.15s;
}

.back-btn:hover {
  color: var(--op-text);
}

/* ---- Form ---- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

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

.form-field.full {
  grid-column: 1 / -1;
}

.form-field.sig-field {
  margin-bottom: 16px;
}

label {
  font-size: 11px;
  font-weight: 600;
  color: var(--op-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

input[type="text"],
input[type="email"],
select,
textarea {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  color: var(--op-text);
  font-size: 14px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  font-family: inherit;
  appearance: none;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  border-color: var(--op-orange);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888880' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

select option {
  background: #1A1A1A;
}

/* ---- Signature ---- */
.sig-wrap {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  overflow: hidden;
}

.sig-wrap canvas {
  display: block;
  width: 100%;
  height: 160px;
  cursor: crosshair;
  touch-action: none;
  background: #111;
}

.sig-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-top: 1px solid var(--op-border);
}

.sig-status {
  font-size: 12px;
  color: var(--op-muted);
}

.sig-status.ok {
  color: var(--op-success);
}

.btn-clear {
  background: transparent;
  border: 1px solid var(--op-border);
  color: var(--op-muted);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.btn-clear:hover {
  border-color: var(--op-orange);
  color: var(--op-orange);
}

/* ---- Privacy ---- */
.privacy-box {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  padding: 14px 16px;
  margin: 16px 0 20px;
}

.privacy-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.privacy-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  accent-color: var(--op-orange);
  cursor: pointer;
}

.privacy-text {
  font-size: 12px;
  color: var(--op-muted);
  line-height: 1.65;
}

.privacy-text strong {
  color: var(--op-text);
  display: block;
  margin-bottom: 4px;
}

/* ---- Buttons ---- */
.btn-primary {
  background: var(--op-orange);
  color: white;
  border: none;
  border-radius: var(--op-radius-sm);
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background: var(--op-orange-light);
}

.btn-primary:disabled {
  background: #2a2a2a;
  color: #555;
  cursor: not-allowed;
}

/* ---- Visitor list ---- */
.visitor-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.visitor-card {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.15s;
}

.visitor-card:hover {
  border-color: var(--op-border-hover);
}

.visitor-card .v-info {
  flex: 1;
}

.v-avatar {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 50%;
  background: var(--op-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: white;
}

.v-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--op-text);
}

.v-meta {
  font-size: 12px;
  color: var(--op-muted);
  margin-top: 2px;
}

.v-time {
  font-size: 11px;
  color: #555;
  margin-top: 3px;
}

.btn-exit {
  background: rgba(52, 152, 219, 0.12);
  border: 1px solid rgba(52, 152, 219, 0.25);
  color: #5BB8F5;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: all 0.15s;
  margin-left: auto;
}

.btn-exit:hover {
  background: rgba(52, 152, 219, 0.22);
}

/* ---- Success screens ---- */
.success-wrap {
  text-align: center;
  padding: 48px 28px;
}

.success-icon {
  font-size: 56px;
  margin-bottom: 20px;
}

.success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--op-text);
  margin-bottom: 8px;
}

.success-sub {
  font-size: 15px;
  color: var(--op-muted);
  margin-bottom: 8px;
}

.success-detail {
  font-size: 13px;
  color: #555;
  margin-bottom: 28px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 28px;
}

.tag {
  background: rgba(240, 90, 40, 0.12);
  border: 1px solid rgba(240, 90, 40, 0.25);
  color: #FF9070;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 500;
}

.btn-home {
  background: var(--op-orange);
  color: white;
  border: none;
  border-radius: var(--op-radius-sm);
  padding: 13px 40px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}

.btn-home:hover {
  background: var(--op-orange-light);
}

/* ---- Empty state & loading ---- */
.empty-state {
  text-align: center;
  padding: 52px 0;
  color: var(--op-muted);
  font-size: 14px;
  line-height: 2;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--op-border);
  border-top-color: var(--op-orange);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

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

/* ---- Toast ---- */
#toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #2a2a2a;
  color: var(--op-text);
  border: 1px solid var(--op-border);
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 13px;
  z-index: 999;
  transition: transform 0.3s ease;
  pointer-events: none;
}

#toast.show {
  transform: translateX(-50%) translateY(0);
}

#toast.error {
  border-color: #E74C3C;
  color: #FF6B6B;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .welcome-grid,
  .form-grid,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .form-field.full {
    grid-column: 1;
  }

  .screen,
  .header {
    padding-left: 18px;
    padding-right: 18px;
  }
}

/* =============================================================
   Storico accessi
   ============================================================= */

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.date-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  padding: 4px;
}

.date-nav button {
  background: none;
  border: none;
  color: var(--op-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  font-family: inherit;
}

.date-nav button:hover {
  background: var(--op-surface2);
  color: var(--op-text);
}

.date-nav button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

input[type="date"]#date-picker {
  background: none;
  border: none;
  color: var(--op-text);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  padding: 4px 8px;
  cursor: pointer;
  outline: none;
  width: 130px;
  text-align: center;
  color-scheme: dark;
}

.btn-today {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  color: var(--op-muted);
  border-radius: var(--op-radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-today:hover {
  border-color: var(--op-orange);
  color: var(--op-orange);
}

.btn-today.active {
  background: rgba(229, 138, 63, 0.1);
  border-color: rgba(229, 138, 63, 0.4);
  color: var(--op-orange);
}

.day-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

/* ---- Tabella storico ---- */
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.history-table thead th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--op-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--op-border);
}

.history-table tbody tr {
  border-bottom: 1px solid var(--op-border);
  transition: background 0.1s;
}

.history-table tbody tr:last-child {
  border-bottom: none;
}

.history-table tbody tr:hover {
  background: var(--op-surface2);
}

.history-table td {
  padding: 12px;
  color: var(--op-text);
  vertical-align: middle;
}

.td-avatar {
  width: 44px;
}

.td-name {
  font-weight: 600;
}

.td-sub {
  font-size: 12px;
  color: var(--op-muted);
  margin-top: 2px;
}

.td-time {
  font-variant-numeric: tabular-nums;
  color: var(--op-muted);
  font-size: 12px;
  white-space: nowrap;
}

.td-time strong {
  display: block;
  font-size: 13px;
  color: var(--op-text);
  font-weight: 500;
}

.badge-present {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(46, 204, 113, 0.1);
  border: 1px solid rgba(46, 204, 113, 0.25);
  color: #2ECC71;
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-present::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2ECC71;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.badge-uscito {
  display: inline-block;
  color: var(--op-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.durata {
  font-size: 11px;
  color: #555;
  margin-top: 2px;
}

.table-wrap {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius);
  overflow: hidden;
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--op-muted);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  margin-bottom: 20px;
  padding: 0;
  transition: color 0.15s;
  text-decoration: none;
}

.back-home:hover {
  color: var(--op-text);
}

@media (max-width: 480px) {
  .day-stats { grid-template-columns: 1fr 1fr; }
  .history-table .td-referente { display: none; }
  .toolbar { gap: 8px; }
}

/* ---- Pulsante dettagli tabella ---- */
.btn-detail {
  background: transparent;
  border: 1px solid var(--op-border);
  color: var(--op-muted);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-detail:hover {
  border-color: var(--op-orange);
  color: var(--op-orange);
}

.v-avatar-sm {
  width: 34px;
  height: 34px;
  min-width: 34px;
  font-size: 12px;
}

/* ---- Modale ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: #1A1A1A;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--op-border);
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--op-text);
}

.modal-sub {
  font-size: 13px;
  color: var(--op-muted);
  margin-top: 3px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--op-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 0 0 12px;
  line-height: 1;
  transition: color 0.15s;
  flex-shrink: 0;
}

.modal-close:hover {
  color: var(--op-text);
}

.modal-body {
  padding: 20px;
}

.modal-section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--op-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-bottom: 10px;
}

.modal-sig-wrap {
  background: #111;
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  overflow: hidden;
  line-height: 0;
}

.modal-sig-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.modal-privacy {
  background: var(--op-surface);
  border: 1px solid var(--op-border);
  border-radius: var(--op-radius-sm);
  padding: 14px 16px;
}

.modal-privacy p {
  font-size: 12px;
  color: var(--op-muted);
  line-height: 1.65;
  margin-top: 8px;
}

.privacy-accepted {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #2ECC71;
}

.privacy-declined {
  font-size: 13px;
  font-weight: 600;
  color: #E74C3C;
}