/* Google Font Import */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700&display=swap');

/* General Resets & Variables */
:root {
    --primary-color: #4a90e2; /* A more modern, softer blue */
    --title-color: rgb(255, 106, 0); /* Dedicated variable for title */
    --primary-color-dark: #357ABD;
    --text-color: #333;
    --border-color: #dee2e6;
    --background-color: #f4f7fa;
    --card-bg: #ffffff;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

.site-wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--card-bg);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

/* Header */
.site-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    display: flex;
    justify-content: space-between; /* Distribute items with space between them */
    align-items: center; /* Vertically align items in the middle */
    padding: 1.5rem 2rem; /* Increased padding */
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.3rem; /* Re-adding gap for spacing */
    text-decoration: none;
}

.logo img {
    height: 60px; /* As requested by user */
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--title-color);
    margin-left: 0.3rem; /* Use margin for spacing as requested */
}

.main-nav a {
    margin: 0 1.2rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding-bottom: 5px;
    transition: color 0.3s ease;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

.main-nav a:hover {
    color: var(--primary-color);
}

.main-nav a:hover::after {
    width: 100%;
    left: 0;
}

.user-menu a {
    margin-left: 1.5rem;
    font-size: 0.95rem;
}

/* Main Content */
.site-main {
    padding: 2.5rem;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--text-color);
    padding-bottom: 1rem;
    margin-bottom: 2.5rem;
}

.content-header h2 {
    font-size: 2rem;
}

.date-selector button {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 0.5rem 0.8rem;
    cursor: pointer;
    color: var(--primary-color); /* Make arrows visible */
    transition: background-color 0.2s, border-color 0.2s;
}

.date-selector button:hover {
    background-color: #f8f9fa;
    border-color: #adb5bd;
}

.date-selector span {
    font-size: 1.3rem;
    font-weight: 500;
    margin: 0 1.5rem;
}

/* Style for the new date input */
#current-date {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1.3rem;
    font-weight: 500;
    margin: 0 1.5rem;
    padding: 0.5rem;
    border: none;
    background: transparent;
    text-align: center;
    cursor: pointer;
    color: var(--text-color); /* Explicitly set text color */
}

#current-date::-webkit-calendar-picker-indicator {
    display: none; /* Hide the calendar icon in Chrome/Safari */
    -webkit-appearance: none;
}

#current-date::-moz-calendar-picker-indicator { /* Not standard but for Firefox */
    display: none;
}

#current-date::-ms-clear { /* For IE */
    display: none;
}


.meal-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem; /* Increased gap */
}

@media (min-width: 1024px) {
    .meal-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.meal-card {
    border: 1px solid var(--border-color);
    border-radius: 12px; /* Softer radius */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden; /* Ensures header bg is contained */
}

.meal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.meal-card h3 {
    background-color: #f8f9fa;
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
}

.meal-card h3 .fas {
    margin-right: 0.75rem;
    color: var(--primary-color);
}

.meal-card .meal-menu {
    padding: 1.5rem;
    white-space: pre-wrap;
    font-size: 1.05rem;
    min-height: 180px;
}

/* Final, Consolidated Styles for Nutrition Info Card */
.nutrition-card #nutrition-info {
    padding: 1.5rem;
    background-color: var(--card-bg);
}

.nutrition-card #nutrition-info p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #111; /* Very dark color */
    margin-bottom: 0.8rem;
}

.nutrition-card #nutrition-info p strong {
    font-weight: 700;
    color: #000; /* Black for labels */
    margin-right: 0.5rem;
}

.nutrition-card #nutrition-info p span {
    color: #333; /* Slightly lighter for the value */
}

/* Styles for 'View More' button and collapsible content */
.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.view-more-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 0.5rem 1rem;
    margin: 0.5rem 1.5rem 1.5rem 1.5rem; /* Add margin to position it */
    cursor: pointer;
    width: calc(100% - 3rem); /* Adjust width for padding */
    text-align: center;
    font-weight: 500;
    color: var(--primary-color);
}

.view-more-btn:hover {
    background-color: #f8f9fa;
}

/* Footer */
.site-footer {
    padding: 2.5rem;
    background-color: #343a40;
    color: #adb5bd;
    font-size: 0.9rem;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #f8f9fa;
    margin: 0 0.75rem;
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-info {
    margin-bottom: 1rem;
    color: #6c757d;
}

.footer-info p {
    margin: 0.25rem 0;
}

.copyright {
    font-size: 0.8rem;
    color: #6c757d;
}

/* Style for Header Login Button */
.header-login-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.header-login-btn:hover {
    background-color: var(--primary-color-dark);
    color: white;
    text-decoration: none;
}

/* Login and Signup Form Styles */
.form-container {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    max-width: 450px;
    margin: 3rem auto;
    text-align: center;
}

.form-container h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.8rem;
    font-weight: 700;
}

.form-container form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-container input[type="text"],
.form-container input[type="password"],
.form-container input[type="email"],
.form-container input[type="number"] {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-container input[type="text"]:focus,
.form-container input[type="password"]:focus,
.form-container input[type="email"]:focus,
.form-container input[type="number"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
    outline: none;
}

.form-container button[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-top: 1rem;
}

.form-container button[type="submit"]:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-2px);
}

.form-container p {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

.form-container p a {
    color: var(--primary-color);
    font-weight: 500;
}

.form-container p a:hover {
    text-decoration: underline;
}

/* QR Code Page Styles */
#qr-code {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem; /* Add some padding around the QR code */
}

#qr-code canvas {
    display: block; /* Ensure canvas is a block element for margin auto to work */
    margin: 0 auto; /* Center the canvas horizontally */
    max-width: 100%; /* Ensure it's responsive */
    height: auto;
}

/* Bold styling for user-related elements in header */
#user-view #user-name {
    font-weight: bold;
    margin-right: 10px; /* Add some spacing */
}

#user-view a {
    font-weight: bold;
    margin-left: 10px; /* Add some spacing between links */
}

/* Weekly Schedule Table Styles */
.week-selector {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.week-selector button {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 0.5rem 0.8rem;
    cursor: pointer;
    color: var(--primary-color);
    transition: background-color 0.2s, border-color 0.2s;
}

.week-selector button:hover {
    background-color: #f8f9fa;
    border-color: #adb5bd;
}

.week-selector span {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
}

.class-schedule-container {
    max-width: 100%;
    overflow-x: auto; /* Enable horizontal scrolling on small screens */
    margin: 0 auto; /* Center the container */
}

#weekly-schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background-color: var(--card-bg);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    border-radius: 12px;
    overflow: hidden; /* Ensures rounded corners apply to children */
}

#weekly-schedule-table th,
#weekly-schedule-table td {
    border: 1px solid var(--border-color);
    padding: 1rem;
    text-align: center;
    font-size: 0.95rem;
}

#weekly-schedule-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    position: sticky;
    top: 0; /* Keep header visible when scrolling */
    z-index: 1;
}

#weekly-schedule-table tbody tr:nth-child(even) {
    background-color: #f8f9fa;
}

#weekly-schedule-table tbody tr:hover {
    background-color: #e9ecef;
}

#schedule-message {
    color: #dc3545; /* Red for error messages */
    font-weight: bold;
}