/* ============================================================
   Pedidos Almoxarifado LIN — Instituto Butantan
   Premium Dark Design System
   ============================================================ */

/* ==================== Google Fonts ==================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ==================== CSS Variables ==================== */
:root {
  --bg-base: #f4f7f6;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-input: rgba(0, 0, 0, 0.03);
  --bg-input-hover: rgba(0, 0, 0, 0.05);

  --border-subtle: rgba(0, 0, 0, 0.05);
  --border-default: rgba(0, 0, 0, 0.1);
  --border-hover: rgba(0, 0, 0, 0.15);
  --border-focus: #15A894;

  --text-primary: #1a1a1a;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-accent: #004543;

  --accent: #15A894;
  --accent-light: #20c9b4;
  --accent-dark: #004543;
  --accent-gradient: linear-gradient(135deg, #004543 0%, #15A894 100%);
  --accent-glow: 0 4px 14px rgba(21, 168, 148, 0.25);

  --danger: #e53e3e;
  --danger-bg: rgba(229, 62, 62, 0.1);
  --warning: #dd6b20;
  --warning-bg: rgba(221, 107, 32, 0.1);
  --success: #38a169;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(21, 168, 148, 0.15);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0, 184, 148, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(0, 206, 201, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ==================== Screens ==================== */
.screen {
  display: none;
  position: relative;
  z-index: 1;
}

.screen.active {
  display: flex;
}

/* ==================== Glass Card ==================== */
.glass-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  border-color: var(--border-default);
}

/* ==================== LOGIN SCREEN ==================== */
.login-screen {
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: radial-gradient(ellipse at 50% 30%, rgba(21, 168, 148, 0.1) 0%, transparent 60%);
}

.login-card {
  padding: 56px 48px;
  text-align: center;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: fadeInUp 0.6s var(--transition-slow);
}

.login-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
}

.login-logos .logo-img {
  height: 64px;
  width: auto;
  object-fit: contain;
}

.login-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.login-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.login-btn-container {
  display: flex;
  justify-content: center;
  margin-bottom: 32px;
  min-height: 44px;
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.login-divider span {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.login-footer {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.login-footer .lock-icon {
  font-size: 14px;
}

.login-error {
  background: var(--danger-bg);
  border: 1px solid rgba(255, 107, 107, 0.2);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  margin-bottom: 20px;
  display: none;
  animation: shake 0.4s ease;
}

.login-error.show {
  display: block;
}

/* ==================== APP HEADER ==================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-logos {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-logos .logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.header-info .header-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.header-info .header-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

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

.user-email-display {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.user-email-display::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(0, 184, 148, 0.4);
}

.btn-logout {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  background: rgba(255, 107, 107, 0.1);
  border-color: rgba(255, 107, 107, 0.3);
  color: var(--danger);
}

/* ==================== FORM CONTAINER ==================== */
.form-screen {
  flex-direction: column;
  min-height: 100vh;
}

.form-container {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ==================== META GRID ==================== */
.meta-section {
  margin-bottom: 32px;
  animation: fadeInUp 0.5s ease backwards;
  animation-delay: 0.1s;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

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

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

.order-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  color: white;
  font-size: 18px;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
  box-shadow: var(--accent-glow);
  min-width: 80px;
  height: 44px;
}

.field-input,
.field-select {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 14px;
  height: 44px;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.field-input:hover,
.field-select:hover {
  border-color: var(--border-hover);
  background: var(--bg-input-hover);
}

.field-input:focus,
.field-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
  background: var(--bg-input-hover);
}

.field-input[readonly] {
  color: var(--text-secondary);
  cursor: default;
}

.field-input[readonly]:focus {
  border-color: var(--border-default);
  box-shadow: none;
}

/* ==================== PERIOD WARNING ==================== */
.period-warning {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--warning);
  margin-top: 4px;
  animation: fadeIn 0.3s ease;
}

.period-warning.show {
  display: flex;
}

.period-warning .warn-icon {
  font-size: 14px;
}

/* ==================== MATERIALS SECTION ==================== */
.materials-section {
  margin-bottom: 32px;
}

.materials-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.materials-counter {
  font-size: 13px;
  color: var(--text-muted);
}

.materials-counter span {
  color: var(--accent-light);
  font-weight: 600;
}

/* ==================== MATERIAL CARD ==================== */
.material-card {
  padding: 20px 24px;
  margin-bottom: 12px;
  animation: fadeInUp 0.4s ease backwards;
  transition: all var(--transition-base);
  position: relative;
  overflow: visible;
}

.material-card:has(.custom-select.open) {
  z-index: 100;
}



.material-card:nth-child(1) { animation-delay: 0.15s; }
.material-card:nth-child(2) { animation-delay: 0.2s; }
.material-card:nth-child(3) { animation-delay: 0.25s; }
.material-card:nth-child(4) { animation-delay: 0.3s; }
.material-card:nth-child(5) { animation-delay: 0.35s; }

.material-card.filled {
  border-color: rgba(0, 184, 148, 0.15);
}

.material-card.filled:hover {
  border-color: rgba(0, 184, 148, 0.25);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(0, 184, 148, 0.05);
}

.material-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.material-number {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.material-number .num-badge {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
}

.material-card.filled .num-badge {
  background: var(--accent-gradient);
  border-color: transparent;
  color: white;
}

.btn-clear-material {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  opacity: 0;
}

.material-card:hover .btn-clear-material {
  opacity: 1;
}

.btn-clear-material:hover {
  color: var(--danger);
  background: var(--danger-bg);
}

.material-fields {
  display: grid;
  grid-template-columns: 1fr 180px 140px;
  gap: 12px;
  align-items: end;
}



/* ==================== CUSTOM SEARCHABLE SELECT ==================== */
.custom-select {
  position: relative;
}

.select-trigger {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 36px 10px 14px;
  height: 44px;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  position: relative;
  user-select: none;
}

.select-trigger::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 12px;
  transition: transform var(--transition-fast);
  pointer-events: none;
}

.select-trigger:hover {
  border-color: var(--border-hover);
  background: var(--bg-input-hover);
}

.select-trigger.has-value {
  color: var(--text-primary);
}

.custom-select.open .select-trigger {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

.custom-select.open .select-trigger::after {
  transform: translateY(-50%) rotate(180deg);
}

.select-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  min-width: 400px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.3);
  z-index: 9999;
  margin-top: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  overflow: hidden;
  pointer-events: none;
}

.custom-select.open .select-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.select-search-wrapper {
  padding: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.select-search {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  padding: 10px 12px 10px 36px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition-fast);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a6a7a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
}

.select-search:focus {
  border-color: var(--border-focus);
}

.select-search::placeholder {
  color: var(--text-muted);
}

.select-options {
  max-height: 240px;
  overflow-y: auto;
  padding: 4px;
}

.select-option {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.select-option:hover {
  background: rgba(0, 184, 148, 0.08);
  color: var(--text-primary);
}

.select-option.selected {
  background: rgba(21, 168, 148, 0.12);
  color: var(--accent-light);
  font-weight: 500;
}

.select-option.disabled {
  opacity: 0.4;
  pointer-events: none;
  cursor: not-allowed;
}

.select-option .sap-code {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 8px;
  font-weight: 400;
}

.select-no-results {
  padding: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* ==================== SAP FIELD ==================== */
.sap-field {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-accent);
  font-family: 'Inter', monospace;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  height: 44px;
  width: 100%;
  outline: none;
  letter-spacing: 0.5px;
  cursor: default;
}

/* ==================== QUANTITY CONTROL ==================== */
.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 44px;
  background: var(--bg-input);
  transition: border-color var(--transition-fast);
}

.qty-control:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

.qty-btn {
  width: 40px;
  height: 100%;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.qty-btn:hover {
  background: rgba(0, 184, 148, 0.1);
  color: var(--accent-light);
}

.qty-btn:active {
  background: rgba(0, 184, 148, 0.15);
}

.qty-input {
  flex: 1;
  height: 100%;
  background: none;
  border: none;
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  outline: none;
  -moz-appearance: textfield;
  min-width: 0;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.qty-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* ==================== SUBMIT SECTION ==================== */
.submit-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  margin-top: 8px;
  animation: fadeInUp 0.5s ease backwards;
  animation-delay: 0.4s;
}

.form-note {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-note .note-icon {
  font-size: 16px;
}

.btn-submit {
  position: relative;
  background: var(--accent-gradient);
  color: white;
  border: none;
  padding: 14px 40px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--accent-glow);
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.btn-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 184, 148, 0.35);
}

.btn-submit:hover::before {
  left: 100%;
}

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

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-submit:disabled::before {
  display: none;
}

.btn-submit .btn-arrow {
  font-size: 18px;
  transition: transform var(--transition-fast);
}

.btn-submit:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-submit.loading .btn-text {
  opacity: 0;
}

.btn-submit.loading .btn-spinner {
  display: block;
}

.btn-spinner {
  display: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: white;
  color: white;
  box-shadow: -14px 0 0 -1px, 14px 0 0 -1px;
  animation: dotFlashing 1s infinite alternate linear;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

/* ==================== SUCCESS MODAL ==================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: 24px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  padding: 48px;
  text-align: center;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: scale(0.9);
  transition: transform var(--transition-slow);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  box-shadow: var(--accent-glow);
  animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.2s backwards;
}

.modal-icon svg {
  width: 40px;
  height: 40px;
  stroke: white;
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.modal-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.modal-order-id {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-light);
  margin-bottom: 32px;
  letter-spacing: 2px;
}

.btn-new-order {
  background: var(--accent-gradient);
  color: white;
  border: none;
  padding: 14px 36px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--accent-glow);
}

.btn-new-order:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 184, 148, 0.35);
}

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-size: 14px;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  z-index: 10000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-slow);
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.error {
  border-color: rgba(255, 107, 107, 0.3);
  background: rgba(255, 107, 107, 0.08);
}

.toast.error .toast-icon {
  color: var(--danger);
}

.toast.warning {
  border-color: rgba(255, 217, 61, 0.3);
  background: rgba(255, 217, 61, 0.08);
}

.toast.warning .toast-icon {
  color: var(--warning);
}

.toast-icon {
  font-size: 18px;
  flex-shrink: 0;
}

/* ==================== LOADING OVERLAY ==================== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 11, 24, 0.9);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-default);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

.loading-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ==================== CUSTOM SCROLLBAR ==================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes dotFlashing {
  0% {
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: -14px 0 0 0 rgba(255, 255, 255, 0.2), 14px 0 0 0 rgba(255, 255, 255, 1);
  }
  50% {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: -14px 0 0 0 rgba(255, 255, 255, 0.2), 14px 0 0 0 rgba(255, 255, 255, 0.2);
  }
  100% {
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: -14px 0 0 0 rgba(255, 255, 255, 1), 14px 0 0 0 rgba(255, 255, 255, 0.2);
  }
}

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

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .app-header {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .header-user {
    width: 100%;
    justify-content: space-between;
    padding-top: 8px;
    border-top: 1px solid var(--border-subtle);
  }

  .form-container {
    padding: 20px 16px 60px;
  }

  .meta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .material-fields {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .material-card {
    padding: 16px;
  }

  .submit-section {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .btn-submit {
    width: 100%;
    justify-content: center;
  }

  .login-card {
    padding: 36px 24px;
  }

  .modal-content {
    padding: 36px 24px;
  }

  .modal-order-id {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .meta-grid {
    grid-template-columns: 1fr;
  }

  .user-email-display {
    font-size: 11px;
  }
}