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

:root {
   /* Colors - Default Theme (Can be overridden by inline styles in rsvp.php) */
   --primary: #1a1a2e;
   --primary-hover: #121220;
   --secondary: #16213e;
   --accent: #e94560;
   --accent-hover: #d1304b;

   /* Base Colors */
   --bg-color: #f7f9fa;
   --surface-color: #ffffff;
   --text-main: #1e293b;
   --text-muted: #64748b;
   --border-color: #e2e8f0;

   /* Status Colors */
   --success: #10b981;
   --success-bg: #ecfdf5;
   --success-border: #a7f3d0;

   --warning: #f59e0b;
   --warning-bg: #fffbeb;
   --warning-border: #fde68a;

   --danger: #ef4444;
   --danger-bg: #fef2f2;
   --danger-border: #fecaca;

   /* Typography */
   --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

   /* Effects */
   --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
   --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
   --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

   --radius-sm: 6px;
   --radius-md: 12px;
   --radius-lg: 16px;
   --radius-pill: 9999px;

   --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
   font-family: var(--font-family);
   background-color: var(--bg-color);
   color: var(--text-main);
   line-height: 1.6;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
   color: var(--accent-hover);
}

/* Utilities */
.text-center {
   text-align: center;
}

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

/* Buttons */
.btn {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   padding: 0.625rem 1.25rem;
   font-size: 0.95rem;
   font-weight: 500;
   border-radius: var(--radius-md);
   border: 1px solid transparent;
   cursor: pointer;
   transition: var(--transition);
   user-select: none;
   text-align: center;
}

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

.btn-primary:hover {
   background-color: var(--primary-hover);
   color: white;
   transform: translateY(-1px);
   box-shadow: var(--shadow-md);
}

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

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

.btn-sm {
   padding: 0.35rem 0.75rem;
   font-size: 0.85rem;
   border-radius: var(--radius-sm);
}

.btn-lg {
   padding: 0.875rem 1.75rem;
   font-size: 1.05rem;
}

.btn-full {
   width: 100%;
}

.btn-success {
   background-color: var(--success);
   color: white;
}

.btn-success:hover {
   background-color: #059669;
}

.btn-danger {
   background-color: var(--danger);
   color: white;
}

.btn-danger:hover {
   background-color: #dc2626;
}

.btn-warning {
   background-color: var(--warning);
   color: white;
}

.btn-warning:hover {
   background-color: #d97706;
}

/* Cards */
.card {
   background-color: var(--surface-color);
   border-radius: var(--radius-lg);
   box-shadow: var(--shadow-sm);
   border: 1px solid var(--border-color);
   padding: 1.5rem;
   margin-bottom: 1.5rem;
   transition: var(--transition);
}

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

.card-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
   margin-bottom: 1.5rem;
   padding-bottom: 1rem;
   border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
   font-size: 1.25rem;
   font-weight: 600;
   color: var(--primary);
}

/* Alerts */
.alert {
   padding: 1rem;
   border-radius: var(--radius-md);
   margin-bottom: 1.5rem;
   font-weight: 500;
   font-size: 0.95rem;
   border-left: 4px solid transparent;
}

.alert-error {
   background-color: var(--danger-bg);
   color: var(--danger);
   border-color: var(--danger);
}

.alert-success {
   background-color: var(--success-bg);
   color: var(--success);
   border-color: var(--success);
}

.alert-list {
   margin: 0;
   padding-left: 1.2rem;
}

/* Badges */
.badge {
   display: inline-flex;
   align-items: center;
   padding: 0.25rem 0.75rem;
   border-radius: var(--radius-pill);
   font-size: 0.8rem;
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.05em;
}

.badge-green,
.badge-asiste {
   background-color: var(--success-bg);
   color: var(--success);
   border: 1px solid var(--success-border);
}

.badge-red,
.badge-no-asiste {
   background-color: var(--danger-bg);
   color: var(--danger);
   border: 1px solid var(--danger-border);
}

.badge-basico {
   background-color: #e0f2fe;
   color: #0284c7;
   border: 1px solid #bae6fd;
}

.badge-intermedio {
   background-color: #f3e8ff;
   color: #9333ea;
   border: 1px solid #e9d5ff;
}

.badge-premium {
   background-color: #fce7f3;
   color: #db2777;
   border: 1px solid #fbcfe8;
}

/* Forms & Inputs */
.form {
   display: flex;
   flex-direction: column;
   gap: 1.25rem;
}

.form-group {
   display: flex;
   flex-direction: column;
   gap: 0.5rem;
}

.form-group label {
   font-size: 0.9rem;
   font-weight: 500;
   color: var(--primary);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
   width: 100%;
   padding: 0.75rem 1rem;
   font-size: 0.95rem;
   font-family: inherit;
   border: 1px solid var(--border-color);
   border-radius: var(--radius-md);
   background-color: var(--surface-color);
   color: var(--text-main);
   transition: var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus {
   outline: none;
   border-color: var(--accent);
   box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

input[type="text"]::placeholder,
textarea::placeholder {
   color: #cbd5e1;
}

/* Auth Pages (Login) */
.login-page {
   display: flex;
   align-items: center;
   justify-content: center;
   min-height: 100vh;
   padding: 1.5rem;
   background: linear-gradient(135deg, var(--bg-color) 0%, #e2e8f0 100%);
}

.login-card {
   background-color: var(--surface-color);
   width: 100%;
   max-width: 400px;
   padding: 2.5rem 2rem;
   border-radius: var(--radius-lg);
   box-shadow: var(--shadow-lg);
   border: 1px solid rgba(255, 255, 255, 0.5);
   backdrop-filter: blur(10px);
}

.login-logo {
   display: flex;
   justify-content: center;
   margin-bottom: 1.5rem;
}

.login-logo img {
   height: 40px;
   width: auto;
   object-fit: contain;
}

.login-title {
   font-size: 1.5rem;
   font-weight: 700;
   color: var(--primary);
   text-align: center;
   margin-bottom: 0.5rem;
}

.login-subtitle {
   font-size: 0.9rem;
   color: var(--text-muted);
   text-align: center;
   margin-bottom: 2rem;
}