/* 
   ScuolaViva CTF Challenge - Main Stylesheet
   Styling inspired by ClasseViva electronic register
*/

/* Base styling */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

a:hover {
    text-decoration: underline;
}

/* Header styles */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

.user-info {
    display: flex;
    align-items: center;
}

.user-info span {
    margin-right: 15px;
}

/* Container layout */
.container {
    display: flex;
    min-height: calc(100vh - 120px);
}

/* Sidebar styles */
.sidebar {
    width: 240px;
    background-color: var(--dark-color);
    color: white;
    padding: 1rem 0;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 5px;
}

.sidebar a {
    display: block;
    padding: 10px 15px;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
}

.sidebar a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar li.active a {
    background-color: var(--secondary-color);
    border-left: 4px solid white;
}

.sidebar i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Main content area */
.content {
    flex: 1;
    padding: 20px;
    background-color: white;
}

/* Login page */
.login-page {
    background-color: #f5f5f5;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 400px;
    max-width: 90%;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
}

.login-form {
    margin-bottom: 20px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #777;
}

/* Form styling */
.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.radio-group {
    display: flex;
    gap: 15px;
}

.radio-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
    cursor: pointer;
}

.radio-group input[type="radio"] {
    margin-right: 5px;
}

/* Button styles */
.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Alert styles */
.alert {
    padding: 10px 15px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Calendar styles */
.calendar {
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 30px;
}

.calendar-header {
    background-color: var(--secondary-color);
    color: white;
    padding: 10px;
    text-align: center;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background-color: #f5f5f5;
    border-bottom: 1px solid #ddd;
}

.calendar-weekdays div {
    padding: 10px;
    text-align: center;
    font-weight: bold;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-auto-rows: minmax(120px, auto);
}

.calendar-day {
    border: 1px solid #ddd;
    padding: 5px;
    min-height: 120px;
    position: relative;
}

.calendar-day.empty {
    background-color: #f9f9f9;
}

.calendar-day.has-events {
    background-color: #f0f8ff;
}

.day-number {
    position: absolute;
    top: 5px;
    left: 5px;
    font-weight: bold;
    background-color: rgba(255, 255, 255, 0.8);
    width: 25px;
    height: 25px;
    text-align: center;
    line-height: 25px;
    border-radius: 50%;
}

.day-events {
    margin-top: 30px;
    font-size: 12px;
}

.event {
    margin-bottom: 5px;
    padding: 5px;
    border-radius: 3px;
    background-color: #e3f2fd;
    border-left: 3px solid var(--secondary-color);
    word-wrap: break-word;
}

.event.grade {
    background-color: #f0f0f0;
    border-left-width: 3px;
}

.event-title {
    font-weight: bold;
}

/* Grade management */
.grades-overview {
    margin-bottom: 30px;
}

.subject-averages {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.subject-average {
    background-color: #f5f5f5;
    border-radius: 4px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

.subject-average:hover {
    transform: translateY(-3px);
}

.subject-name {
    font-weight: bold;
    margin-bottom: 5px;
}

.subject-avg {
    font-size: 1.8rem;
    font-weight: bold;
}

/* Table styles */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th, .table td {
    padding: 10px;
    border: 1px solid #ddd;
}

.table th {
    background-color: #f5f5f5;
    font-weight: bold;
    text-align: left;
}

.table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.table tr:hover {
    background-color: #f0f0f0;
}

/* Grade colors */
.grade-insufficient {
    border-left-color: var(--danger-color) !important;
}

.grade-sufficient {
    border-left-color: var(--warning-color) !important;
}

.grade-excellent {
    border-left-color: var(--success-color) !important;
}

.grade-value {
    font-weight: bold;
}

.grade-insufficient .grade-value, .grade-insufficient .subject-avg {
    color: var(--danger-color);
}

.grade-excellent .grade-value, .grade-excellent .subject-avg {
    color: var(--success-color);
}

/* Manage grades form */
.manage-grades {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.add-grade-form {
    max-width: 600px;
}

/* Footer */
footer {
    text-align: center;
    padding: 15px;
    background-color: var(--dark-color);
    color: white;
    font-size: 0.9rem;
    text-align: center;
}

.logo {
    border-radius: 50px;
}