/* ==========================================================================
   Milodao® & Milodao-Akademie – Design System & Stylesheet
   Ganzheitliche Körperarbeit, Qigong & Achtsame Kommunikation
   ========================================================================== */

:root {
  --color-primary: #2b3a33;
  --color-primary-rgb: 43, 58, 51;
  --color-primary-dark: #1b2621;
  --color-primary-light: #edf2ef;
  --color-primary-subtle: #f5f8f6;
  
  --color-accent: #8b7355;
  --color-accent-hover: #756046;
  --color-accent-light: #f7f3ee;
  
  --color-bg-page: #f8faf8;
  --color-bg-card: #ffffff;
  --color-bg-alt: #f0f4f1;
  
  --color-text-main: #1e2622;
  --color-text-body: #38453f;
  --color-text-muted: #64736b;
  --color-text-light: #94a39b;
  
  --color-border: #dbe3de;
  --color-border-focus: #2b3a33;
  
  --color-success: #288053;
  --color-danger: #b84343;
  
  --font-main: 'Arimo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(43, 58, 51, 0.05);
  --shadow-md: 0 8px 24px rgba(43, 58, 51, 0.07);
  --shadow-lg: 0 16px 40px rgba(43, 58, 51, 0.10);
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg-page);
  color: var(--color-text-body);
  line-height: 1.6;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle Organic Background Decor */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 280px;
  background: linear-gradient(180deg, rgba(43, 58, 51, 0.08) 0%, rgba(248, 250, 248, 0) 100%);
  pointer-events: none;
  z-index: 0;
}

.app-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 16px 16px 40px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.app-wrapper.admin-layout {
  max-width: 1000px;
}

/* Header & Brand Identity */
.brand-header {
  text-align: center;
  padding: 16px 0 20px;
}

.brand-logo-img {
  width: 110px;
  height: auto;
  max-height: 90px;
  object-fit: contain;
  margin: 0 auto 12px;
  display: block;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
  border: 1px solid rgba(43, 58, 51, 0.12);
}

.brand-logo-title {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand-tagline {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 4px;
}

.brand-dozent-sub {
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-top: 4px;
}

/* Navigation bar */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 8px 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Card Container */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(43, 58, 51, 0.08);
  margin-bottom: 20px;
  transition: var(--transition);
}

@media (max-width: 480px) {
  .card {
    padding: 18px 16px;
    border-radius: var(--radius-md);
  }
}

.card-header {
  margin-bottom: 18px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.card-subtitle {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

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

.form-input, .form-textarea, .form-select {
  width: 100%;
  font-family: var(--font-main);
  font-size: 0.96rem;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #fff;
  color: var(--color-text-main);
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3.5px rgba(43, 58, 51, 0.12);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--color-text-light);
}

.input-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 5px;
}

/* Consent Text Display Box */
.consent-box {
  background: var(--color-primary-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  max-height: 220px;
  overflow-y: auto;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--color-text-body);
  white-space: pre-line;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.consent-box::-webkit-scrollbar {
  width: 5px;
}

.consent-box::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: 4px;
}

/* Custom Checkbox */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  color: var(--color-text-main);
  font-weight: 500;
  line-height: 1.45;
  margin-top: 14px;
  padding: 12px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: var(--transition);
}

.checkbox-label:hover {
  background: var(--color-primary-light);
}

.checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  min-width: 22px;
  border: 2px solid var(--color-primary);
  border-radius: 6px;
  background-color: #fff;
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: var(--transition);
  margin-top: 1px;
}

.checkbox-label input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: "";
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

.checkbox-label input[type="checkbox"]:focus {
  box-shadow: 0 0 0 3px rgba(43, 58, 51, 0.18);
}

/* Touch Signature Pad */
.signature-section {
  margin-top: 22px;
}

.signature-container {
  background: #ffffff;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  touch-action: none;
  transition: var(--transition);
}

.signature-container.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43, 58, 51, 0.08);
}

.signature-canvas {
  width: 100%;
  height: 190px;
  display: block;
  cursor: crosshair;
  background-color: #ffffff;
  touch-action: none;
}

.signature-guide-line {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 40px;
  border-bottom: 1px dashed rgba(43, 58, 51, 0.25);
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 4px;
}

.signature-guide-line .x-mark {
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-weight: bold;
}

.signature-guide-line .guide-hint {
  font-size: 0.72rem;
  color: var(--color-text-light);
}

.signature-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-light);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  transition: opacity 0.2s ease;
}

.signature-placeholder.hidden {
  opacity: 0;
}

.signature-tools {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}

.btn-tool {
  background: transparent;
  border: none;
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-tool:hover {
  background: var(--color-bg-alt);
  color: var(--color-danger);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 15px 24px;
  font-family: var(--font-main);
  font-size: 1.02rem;
  font-weight: 600;
  color: #ffffff;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(43, 58, 51, 0.20);
  transition: var(--transition);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(43, 58, 51, 0.30);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  background-color: var(--color-border);
  color: var(--color-text-light);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 20px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: #fff;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-body);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn-danger-outline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  font-size: 0.78rem;
  color: var(--color-danger);
  background: transparent;
  border: 1px solid rgba(184, 67, 67, 0.3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-danger-outline:hover {
  background: rgba(184, 67, 67, 0.08);
  border-color: var(--color-danger);
}

/* Success Overlay / State */
.success-card {
  text-align: center;
  padding: 36px 20px;
}

.success-icon-wrapper {
  width: 72px;
  height: 72px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 0 0 10px rgba(43, 58, 51, 0.06);
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.success-title {
  font-size: 1.45rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.success-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 440px;
  margin: 0 auto 24px;
}

.success-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}

/* Admin Dashboard Specific Styles */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-sub {
  font-size: 0.76rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.search-box {
  flex: 1;
  min-width: 240px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-main);
  font-size: 0.9rem;
  outline: none;
}

.search-box input:focus {
  border-color: var(--color-primary);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  pointer-events: none;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Submissions List / Table */
.submissions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.submission-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: var(--transition);
}

.submission-item:hover {
  border-color: rgba(43, 58, 51, 0.3);
  box-shadow: var(--shadow-sm);
}

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

.submission-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.submission-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}

.submission-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: var(--color-text-light);
}

/* Modal Window */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 24, 20, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #ffffff;
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.96);
  transition: var(--transition);
}

.modal-backdrop.open .modal-content {
  transform: translateY(0) scale(1);
}

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

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.4rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  border-radius: var(--radius-sm);
}

.modal-close:hover {
  color: var(--color-text-main);
  background: var(--color-bg-alt);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background: var(--color-bg-page);
}

/* PDF Preview Frame in Modal */
.pdf-preview-frame {
  width: 100%;
  height: 60vh;
  min-height: 380px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* QR Code Modal Display */
.qr-display-wrapper {
  text-align: center;
  padding: 10px 0;
}

.qr-image {
  width: 240px;
  height: 240px;
  margin: 0 auto 14px;
  border-radius: var(--radius-md);
  padding: 12px;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: block;
}

.qr-link-text {
  font-size: 0.88rem;
  word-break: break-all;
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-light);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  display: inline-block;
  max-width: 100%;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: #ffffff;
  color: var(--color-text-main);
  border-left: 4px solid var(--color-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.88rem;
  font-weight: 500;
  pointer-events: auto;
  animation: slideToast 0.3s ease;
  max-width: 340px;
}

@keyframes slideToast {
  0% { transform: translateX(100%); opacity: 0; }
  100% { transform: translateX(0); opacity: 1; }
}

/* Footer */
.app-footer {
  text-align: center;
  padding-top: 24px;
  font-size: 0.78rem;
  color: var(--color-text-light);
}

.app-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}