@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0a0f16;
  --bg-secondary: rgba(20, 30, 45, 0.6);
  --bg-card: rgba(26, 38, 57, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  
  --primary: #0ea5e9; /* Sky blue */
  --primary-hover: #0284c7;
  --primary-glow: rgba(14, 165, 233, 0.15);
  
  --accent: #10b981; /* Emerald green */
  --accent-hover: #059669;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #0f172a;
  
  --danger: #ef4444;
  --danger-hover: #dc2626;
  
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(14, 165, 233, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.08) 0px, transparent 50%);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  width: 100%;
  max-width: 800px;
  padding: 2.5rem 1.5rem 1rem;
  text-align: center;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: var(--primary);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

header h1 {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-main);
}

header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

main {
  width: 100%;
  max-width: 800px;
  padding: 0 1.5rem 4rem;
}

/* Glassmorphism Container */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 
    0 10px 30px -10px rgba(0, 0, 0, 0.5),
    0 1px 3px rgba(255, 255, 255, 0.05) inset;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-section {
  margin-bottom: 2rem;
}

.section-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

/* Form Inputs */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.input-group input, .input-group select {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.input-group input:focus, .input-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
  background: rgba(15, 23, 42, 0.8);
}

/* Document Viewer Box */
.document-container {
  background: rgba(10, 15, 25, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  max-height: 250px;
  overflow-y: auto;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.document-container::-webkit-scrollbar {
  width: 6px;
}
.document-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.document-container h3 {
  color: var(--text-main);
  text-align: center;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.document-container p {
  margin-bottom: 0.75rem;
}

.document-container ol {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.document-container li {
  margin-bottom: 0.5rem;
}

/* Agreement Checkbox */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 1.25rem 0;
  cursor: pointer;
}

.checkbox-group input {
  margin-top: 4px;
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
}

.checkbox-group label {
  font-size: 0.88rem;
  color: var(--text-muted);
  user-select: none;
}

/* Signature Pad Area */
.signature-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.canvas-wrapper {
  position: relative;
  background: #ffffff;
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  overflow: hidden;
  height: 200px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1) inset;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}

.canvas-controls {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Buttons */
.btn {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: 0 0 12px var(--primary-glow);
}

.btn-accent {
  background: var(--accent);
  color: #ffffff;
  width: 100%;
  justify-content: center;
  padding: 1rem;
  font-size: 1.05rem;
  border-radius: 14px;
}

.btn-accent:hover:not(:disabled) {
  background: var(--accent-hover);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Toast Message */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.toast-success {
  border-left: 4px solid var(--accent);
}

.toast-error {
  border-left: 4px solid var(--danger);
}

/* Admin Dashboard Table */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.search-bar {
  display: flex;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0.6rem 1rem;
  width: 300px;
}

.search-bar input {
  background: transparent;
  border: none;
  color: var(--text-main);
  outline: none;
  font-size: 0.9rem;
  width: 100%;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: rgba(10, 15, 25, 0.7);
  padding: 1rem;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-title);
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.btn-download {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-download:hover {
  text-decoration: underline;
}

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

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--border-color);
}

/* Success Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 15, 25, 0.8);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.success-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  width: 90%;
  max-width: 480px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.show .success-modal {
  transform: scale(1);
}

.success-icon-wrapper {
  width: 72px;
  height: 72px;
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--accent);
}

.success-icon-wrapper svg {
  width: 36px;
  height: 36px;
}

.success-modal h2 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.success-modal p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

.btn-modal {
  width: 100%;
  padding: 0.9rem;
  border-radius: 12px;
  font-size: 1rem;
}

.btn-delete {
  background: transparent;
  border: none;
  color: var(--danger);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  font-family: inherit;
  font-size: 0.9rem;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-delete:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
}