/* ========================================
   MATSign - MATICAL Brand CSS
   ======================================== */

/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
  /* Primary Colors */
  --color-primary: #29357A;           /* Dark Blue */
  --color-accent: #5EC3AD;            /* Teal */
  --color-white: #FFFFFF;
  --color-light-grey: #F5F5F5;
  --color-medium-grey: #8A919E;
  --color-dark-grey: #404040;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-danger-muted: #FCA5A5;
  --color-info: #3B82F6;

  /* Font Family */
  --font-primary: 'Lato', 'Montserrat', system-ui, sans-serif;
  --font-secondary: 'Montserrat', system-ui, sans-serif;

  /* Font Weights */
  --fw-light: 300;
  --fw-regular: 400;
  --fw-bold: 700;
  --fw-black: 900;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

/* ========================================
   Google Fonts Import
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700;900&family=Montserrat:wght@400;600;700&display=swap');

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: var(--fw-regular);
  line-height: 1.6;
  color: var(--color-dark-grey);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: var(--fw-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: var(--fw-bold);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button - Teal */
.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover:not(:disabled) {
  background-color: #4db3a0;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

/* Secondary Button - Dark Blue */
.btn-secondary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-secondary:hover:not(:disabled) {
  background-color: #1f2452;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

/* Danger Button - Muted Red */
.btn-danger {
  background-color: var(--color-danger-muted);
  color: var(--color-white);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

/* Small Button */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
}

/* Large Button */
.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
}

/* Block Button */
.btn-block {
  width: 100%;
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--fw-bold);
  color: var(--color-dark-grey);
  font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  border: 1px solid #ddd;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  background-color: var(--color-white);
  color: var(--color-dark-grey);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(94, 195, 173, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

select {
  cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
  cursor: pointer;
  margin-right: var(--spacing-sm);
}

.checkbox-wrapper,
.radio-wrapper {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
  cursor: pointer;
}

.checkbox-wrapper input,
.radio-wrapper input {
  margin-right: var(--spacing-md);
}

/* ========================================
   Cards
   ======================================== */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  border-bottom: 1px solid #eee;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.card-header h2,
.card-header h3 {
  margin-bottom: 0;
}

.card-body {
  margin-bottom: var(--spacing-lg);
}

.card-footer {
  border-top: 1px solid #eee;
  padding-top: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ========================================
   Badges & Status
   ======================================== */
.badge {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-pending {
  background-color: #e5e7eb;
  color: var(--color-medium-grey);
}

.badge-active {
  background-color: #dbeafe;
  color: var(--color-info);
}

.badge-signed {
  background-color: #ccf0e1;
  color: var(--color-accent);
}

.badge-completed {
  background-color: #dcfce7;
  color: var(--color-success);
}

.badge-cancelled {
  background-color: #fee2e2;
  color: var(--color-danger);
}

/* ========================================
   Header
   ======================================== */
header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
}

header h1 {
  color: var(--color-white);
  margin-bottom: 0;
  font-size: 1.75rem;
}

header .subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: var(--fw-light);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.header-nav {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.header-nav a {
  color: var(--color-white);
  font-weight: var(--fw-bold);
}

.header-nav a:hover {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

/* ========================================
   Tables
   ======================================== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

thead {
  background-color: var(--color-light-grey);
  border-bottom: 2px solid #ddd;
}

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: var(--fw-bold);
  color: var(--color-primary);
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid #eee;
}

tbody tr:hover {
  background-color: var(--color-light-grey);
}

tbody tr:nth-child(even) {
  background-color: rgba(245, 245, 245, 0.5);
}

/* ========================================
   Utilities
   ======================================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.text-muted {
  color: var(--color-medium-grey);
  font-size: 0.9rem;
}

.text-primary {
  color: var(--color-primary);
}

.text-accent {
  color: var(--color-accent);
}

.text-success {
  color: var(--color-success);
}

.text-danger {
  color: var(--color-danger);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.pt-1 { padding-top: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }
.pt-4 { padding-top: var(--spacing-xl); }

.pb-1 { padding-bottom: var(--spacing-sm); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pb-3 { padding-bottom: var(--spacing-lg); }
.pb-4 { padding-bottom: var(--spacing-xl); }

.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  header {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.95rem;
  }

  .card {
    padding: var(--spacing-lg);
  }

  table {
    font-size: 0.85rem;
  }

  th, td {
    padding: var(--spacing-sm);
  }

  .header-nav {
    gap: var(--spacing-md);
    flex-direction: column;
    width: 100%;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.1rem; }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }

  .card {
    padding: var(--spacing-md);
  }

  .card-footer {
    flex-direction: column;
  }

  .card-footer .btn {
    width: 100%;
  }
}