/* Gob.mx / USICAMM Theme base styles */
:root {
    --gob-guinda: #9F2241;
    --gob-guinda-dark: #691C32;
    --gob-dorado: #BC955C;
    --gob-dorado-light: #DDC9A3;
    --gob-verde: #235B4E;
    --gob-verde-dark: #10312B;
    --gob-text: #333333;
    --gob-bg: #f5f5f5;
}

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

body {
    font-family: 'Montserrat', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gob-bg);
    color: var(--gob-text);
}

/* Header */
.header {
    background-color: var(--gob-verde-dark);
    padding: 15px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    color: white;
    border-bottom: 4px solid var(--gob-dorado);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-icons {
    display: flex;
    gap: 20px;
    color: white;
    font-size: 16px;
    align-items: center;
}

.nav-icons a {
    color: white;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.3s;
    font-weight: 500;
}

.nav-icons a:hover {
    opacity: 0.8;
}

/* Utility layout */
.login-body {
    display: flex; 
    align-items: center; 
    justify-content: center; 
    height: 100vh;
}

.login-card {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
    border-top: 4px solid var(--gob-dorado);
}

.login-card h2 {
    color: var(--gob-guinda);
    margin-bottom: 20px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--gob-text);
    font-weight: 500;
}

.form-group input[type="text"], 
.form-group input[type="password"], 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--gob-verde);
    outline: none;
}

.form-group input[type="file"] {
    width: 100%;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 4px;
    box-sizing: border-box;
}

.btn-login, .btn-submit {
    background-color: var(--gob-verde-dark);
    color: white;
    border: none;
    padding: 12px 20px;
    width: 100%;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
    font-weight: 600;
}

.btn-login:hover, .btn-submit:hover {
    background-color: var(--gob-verde);
}

.error {
    color: var(--gob-guinda);
    background: #ffe6e6;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Main Content (Dashboard / Materials) */
.main-content {
    padding: 40px 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 24px;
    color: var(--gob-verde-dark);
    margin-bottom: 30px;
    font-weight: 600;
    text-align: center;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
    justify-content: center;
}

.card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 40px 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
    display: block;
    color: inherit;
    border-bottom: 4px solid var(--gob-dorado);
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-color: var(--gob-guinda);
    transform: translateY(-2px);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--gob-guinda);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
}

.card-title {
    font-size: 18px;
    color: var(--gob-verde-dark);
    font-weight: 600;
    margin-bottom: 15px;
}

/* Materials Page */
.hero-section {
    background: #ffffff;
    border-top: 4px solid var(--gob-dorado);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    padding: 40px 60px;
    border-radius: 8px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 28px;
    color: var(--gob-text);
    margin-bottom: 10px;
    font-weight: 600;
}

.hero-title strong {
    color: var(--gob-guinda);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.material-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    cursor: default;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    border-top: 3px solid var(--gob-verde);
}

.material-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.material-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 15px;
    background: transparent;
    border: 2px solid var(--gob-dorado);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gob-dorado);
    font-size: 22px;
}

.material-type {
    font-size: 12px;
    color: white;
    background: var(--gob-verde);
    padding: 3px 8px;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 10px;
}

.material-title {
    font-size: 16px;
    color: var(--gob-verde-dark);
    font-weight: 600;
    margin-bottom: 8px;
}

.material-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.4;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.material-card:hover .overlay {
    opacity: 1;
}

.action-btn {
    background: var(--gob-verde-dark);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background 0.2s;
}

.action-btn:hover {
    background: var(--gob-guinda);
}

.admin-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.admin-action-btn {
    background: white;
    color: var(--gob-verde-dark);
    border: 1px solid var(--gob-verde-dark);
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin: 0 5px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.admin-action-btn:hover {
    background: var(--gob-verde-dark);
    color: white;
}

.btn-upload {
    display: block;
    width: 100%;
    text-align: center;
    background: transparent;
    border: 2px dashed #999;
    padding: 20px;
    border-radius: 8px;
    color: #555;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-upload:hover {
    border-color: var(--gob-verde-dark);
    color: var(--gob-verde-dark);
    background: white;
}

/* Upload Materials Form Container */
.form-container {
    background: white;
    max-width: 600px;
    margin: 50px auto;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-top: 4px solid var(--gob-dorado);
}

.form-container h2 {
    text-align: center;
    color: var(--gob-verde-dark);
    margin-bottom: 20px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}