/*
 * Custom Styles for Run-Event Management System - Minimal + Card + Motion Theme (Green-Blue & Orange-Yellow)
 */

/* Color Palette Variables */
:root {
    --green-blue-primary: #20c997; /* Vibrant Teal */
    --green-blue-dark: #17a2b8;   /* Slightly darker Teal for hover */
    --orange-yellow-primary: #ffc107; /* Vibrant Yellow-Orange */
    --orange-yellow-dark: #e0a800;   /* Slightly darker Yellow-Orange for hover */
    --light-green-blue: #e6f9f3;
    --light-orange-yellow: #fff3cd;
    --text-dark: #222;
    --text-medium: #333;
    --text-light: #666;
    --background-white: #ffffff;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.15);
}

/* 1. Global Styles & Typography */
body {
    font-family: 'Kanit', sans-serif;
    background-color: var(--background-white); /* Clean white background */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: var(--text-medium); /* Default text color */
    line-height: 1.6;
    padding-top: 70px; /* Account for sticky navbar */
}

main {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700; /* Bolder headings */
    color: var(--text-dark);
}

/* 2. Navbar */
.navbar-brand {
    letter-spacing: 0.7px;
    font-weight: 700;
    color: var(--text-dark) !important;
}

.navbar-light .navbar-nav .nav-link {
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-light .navbar-nav .nav-link:hover {
    color: var(--green-blue-primary); /* Highlight color on hover */
}

/* 3. Card Styles - Enhanced for Minimal + Card Design */
.card {
    border: none;
    border-radius: 1rem; /* Softer rounded corners */
    box-shadow: 0 5px 20px var(--shadow-light); /* Lighter, more spread shadow */
    transition: all 0.3s ease-in-out;
    overflow: hidden; /* Ensures content respects border-radius */
    background-color: var(--background-white);
}

.card:hover {
    transform: translateY(-8px); /* More pronounced lift */
    box-shadow: 0 12px 30px var(--shadow-medium); /* Stronger shadow on hover */
}

.card-title {
    font-weight: 700; /* Bolder card titles */
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--text-light);
}

.card-img-top {
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
    aspect-ratio: 16 / 9; /* Slightly wider images */
    object-fit: cover;
}

.card-body {
    padding: 1.5rem;
}

/* 4. Form & Button Styles */
.form-control, .form-select {
    border-radius: 0.5rem;
    border-color: #ddd;
}

.form-control:focus, .form-select:focus {
    border-color: var(--green-blue-primary);
    box-shadow: 0 0 0 0.25rem rgba(32, 201, 151, 0.25); /* Green-blue focus glow */
}

.btn-primary {
    background-color: var(--green-blue-primary);
    border: none;
    transition: all 0.3s ease;
    border-radius: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--green-blue-dark);
    box-shadow: 0 6px 15px rgba(32, 201, 151, 0.35); /* Green-blue hover shadow */
    transform: translateY(-2px);
}

.btn-outline-primary {
    border-color: var(--green-blue-primary);
    color: var(--green-blue-primary);
    border-radius: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--green-blue-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(32, 201, 151, 0.2); /* Green-blue hover shadow */
}

/* Example for an alternative button color using orange-yellow */
.btn-secondary, .btn-warning { /* Using btn-warning for orange-yellow */
    background-color: var(--orange-yellow-primary);
    border: none;
    transition: all 0.3s ease;
    border-radius: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    color: var(--text-dark); /* Ensure good contrast */
}

.btn-secondary:hover, .btn-warning:hover {
    background-color: var(--orange-yellow-dark);
    box-shadow: 0 6px 15px rgba(255, 193, 7, 0.35); /* Orange-yellow hover shadow */
    transform: translateY(-2px);
}

/* 5. Hero Section (Homepage) - Subtle Gradient with new colors */
.hero-section {
    background: linear-gradient(135deg, var(--light-green-blue) 0%, var(--light-orange-yellow) 100%); /* Green-blue to Orange-yellow gradient */
    color: var(--text-dark); /* Darker text for contrast */
    border-radius: 1.5rem; /* More rounded */
    padding: 4rem 2rem; /* More padding */
    margin-bottom: 3rem !important; /* Spacing below hero */
    box-shadow: 0 8px 25px var(--shadow-light); /* Subtle shadow for depth */
}

.hero-section h1 {
    font-weight: 800; /* Extra bold for hero title */
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 6. Footer */
.footer {
    background-color: #f8f9fa; /* Lighter footer */
    color: var(--text-light);
    padding: 2.5rem 0;
    border-top: 1px solid #eee;
}

.footer a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: var(--green-blue-primary);
}

.footer .social-icons i {
    font-size: 1.6rem;
    margin: 0 0.7rem;
    color: #888;
    transition: color 0.3s ease;
}

.footer .social-icons i:hover {
    color: var(--green-blue-primary);
}

/* Custom utility classes */
.text-muted-custom {
    color: #888 !important;
}

.shadow-sm {
    box-shadow: 0 .125rem .25rem var(--shadow-light)!important;
}

/* Animation for elements appearing on scroll (simplified) */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Basic structure adjustments for responsiveness and spacing */
.container {
    padding-left: 15px;
    padding-right: 15px;
}

.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mt-5 {
    margin-top: 3rem !important;
}