/**
 * Bimbel Let's Shine - Main Stylesheet
 * Educational Schedule Management System
 */

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

/* CSS Variables */
:root {
  --primary-color: #f97316; /* orange-500 */
  --secondary-color: #f59e0b; /* yellow-500 */
  --accent-color: #fff7ed; /* orange-50 */
  --text-dark: #1f2937; /* gray-800 */
  --text-gray: #4b5563; /* gray-600 */
  --text-muted: #6b7280; /* gray-500 */
  --bg-light: #f9fafb; /* gray-50 */
  --border-color: #fed7aa; /* orange-200 */
  --radius: 0.75rem; /* rounded-lg */
  --transition: all 0.3s ease-in-out;
}

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

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-dark);
  background-color: var(--accent-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   LANDING PAGE STYLES
   ========================================================================== */

.section-title {
    font-size: 2.25rem; /* text-3xl */
    font-weight: 700; /* font-bold */
    margin-bottom: 1rem; /* mb-4 */
    color: #111827; /* text-gray-900 */
}
@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem; /* md:text-4xl */
    }
}

.section-subtitle {
    font-size: 1.125rem; /* text-lg */
    color: var(--text-gray);
    max-width: 42rem; /* max-w-2xl */
    margin-left: auto;
    margin-right: auto;
}

/* Header & Navigation */
.nav-link {
    position: relative;
    color: var(--text-gray);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    transition: var(--transition);
}
.nav-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease-in-out;
}
.nav-link.active, .nav-link:hover {
    color: var(--primary-color);
}
.nav-link.active::after, .nav-link:hover::after {
    width: 60%;
}

.nav-link-mobile {
    display: block;
    color: var(--text-gray);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: var(--transition);
}
.nav-link-mobile:hover {
    background-color: #ffedd5; /* orange-100 */
    color: var(--primary-color);
    text-decoration: none;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: white;
    background-color: var(--primary-color);
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(249, 115, 22, 0.3), 0 4px 6px -2px rgba(249, 115, 22, 0.15);
    transition: var(--transition);
    transform: scale(1);
    border: none;
}
.btn-primary:hover {
    background-color: #ea580c; /* orange-600 */
    transform: scale(1.05);
    color: white;
    text-decoration: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: #c2410c; /* text-orange-600 */
    background-color: #ffedd5; /* bg-orange-100 */
    border-radius: 9999px;
    transition: var(--transition);
    transform: scale(1);
    border: none;
}
.btn-secondary:hover {
    background-color: #fed7aa; /* bg-orange-200 */
    transform: scale(1.05);
    color: #c2410c;
    text-decoration: none;
}

/* Forms & Inputs */
.contact-input {
    width: 100%;
    padding: 0.75rem 1rem;
    color: #374151; /* text-gray-700 */
    background-color: #fff7ed; /* bg-orange-50 */
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: box-shadow 0.3s;
}
.contact-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--primary-color);
}
.contact-input::placeholder {
    color: #9ca3af; /* text-gray-400 */
}

/* Cards & Components */
.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid #f3f4f6; /* border-gray-100 */
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}
.feature-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-0.5rem);
}
.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 1rem;
}

.footer-link {
    color: #9ca3af; /* text-gray-400 */
    transition: color 0.3s;
}
.footer-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* Backgrounds & Patterns */
.bg-grid-orange-100 {
    background-image:
        linear-gradient(to right, #ffedd5 1px, transparent 1px),
        linear-gradient(to bottom, #ffedd5 1px, transparent 1px);
    background-size: 3rem 3rem;
}

/* ==========================================================================
   DASHBOARD & LOGIN STYLES (Existing)
   ========================================================================== */
.btn-gradient {
    background-image: linear-gradient(to bottom right, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease-in-out;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.btn-gradient:hover {
    box-shadow: 0 7px 14px rgba(0,0,0,0.1), 0 3px 6px rgba(0,0,0,0.08);
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}
.nav-item:hover {
    background-color: #ffedd5; /* orange-100 */
    color: #c2410c; /* orange-600 */
    text-decoration: none;
}
.nav-item.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(249, 115, 22, 0.3);
}
.nav-item.student:hover {
    background-color: #fefce8; /* yellow-100 */
    color: #b45309; /* yellow-700 */
    text-decoration: none;
}
.nav-item.student.active {
    background-color: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.3);
}

.nav-item-logout {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    color: var(--text-gray);
    font-weight: 500;
    transition: var(--transition);
}
.nav-item-logout:hover {
    background-color: #fee2e2; /* red-100 */
    color: #dc2626; /* red-600 */
    text-decoration: none;
}

.stat-card {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(249, 115, 22, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.login-tab {
    width: 100%;
    text-align: center;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 600;
    color: var(--text-gray);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-tab.active {
    background-color: white;
    color: #ea580c; /* orange-600 */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    color: var(--text-muted);
    transition: color 0.3s;
}
.mobile-nav-item.active {
    color: var(--primary-color);
}
.mobile-nav-item.student.active {
    color: #ca8a04; /* yellow-600 */
}
.mobile-nav-item.admin.active {
    color: var(--primary-color);
}