* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f6f9;
    color: #333;
    min-height: 100vh;
}

/* Full Screen Viewport adjustments for Desktop & Mobile */
html, body {
    width: 100%;
}

/* Top Header Orange Banner */
.gtu-header {
    background-color: #e67e53;
    color: white;
    text-align: center;
    padding: 40px 15px;
}
.gtu-header img {
    width: 110px;
    height: auto;
    display: block;
    margin: 0 auto 15px;
    mix-blend-mode: multiply;
}
.gtu-header h1 {
    font-size: 26px;
    font-weight: normal;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Responsive Form Container */
.login-box {
    max-width: 500px;
    width: 90%;
    margin: 40px auto;
    background: white;
    padding: 35px 25px;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.form-control {
    width: 100%;
    padding: 14px;
    margin-bottom: 18px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    color: #44px;
}

.captcha-container {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 18px;
}
.captcha-box {
    border: 1px solid #b73737;
    padding: 10px 15px;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 4px;
    font-style: italic;
    text-decoration: line-through;
    background: #fffdfd;
    user-select: none;
    width: 130px;
    text-align: center;
}

.btn-orange {
    width: 100%;
    background-color: #e67e53;
    color: white;
    border: none;
    padding: 14px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    text-transform: uppercase;
    transition: background 0.3s;
}
.btn-orange:hover {
    background-color: #d46d43;
}

.btn-grey-outline {
    width: 100%;
    background-color: transparent;
    color: #555;
    border: 1px solid #aaa;
    padding: 12px;
    font-size: 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
}

.links-section {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #555;
    line-height: 1.6;
}
.links-section a {
    color: #2b6cb0;
    text-decoration: none;
}

/* Dashboard Responsive Full-Size Container */
.top-nav {
    background-color: #e67e53;
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.top-nav h2 {
    font-size: 18px;
    font-weight: normal;
}
.nav-buttons a {
    background: #334155;
    color: white;
    padding: 8px 14px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 13px;
    margin-left: 5px;
}

.dashboard-container {
    max-width: 1000px;
    width: 95%;
    margin: 30px auto;
    background: white;
    padding: 25px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    border-radius: 6px;
}

.profile-card {
    text-align: center;
    margin-bottom: 30px;
}
.profile-card img {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #e67e53;
    display: block;
    margin: 0 auto 12px;
}
.profile-card h3 {
    font-size: 20px;
    color: #222;
    text-transform: uppercase;
    margin-top: 5px;
}

/* Tables Section */
.info-section {
    margin-bottom: 30px;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}
.info-title {
    background-color: #e67e53;
    color: white;
    padding: 12px 15px;
    font-weight: bold;
    font-size: 16px;
}
.info-table {
    width: 100%;
    border-collapse: collapse;
}
.info-table td {
    padding: 14px 15px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}
.info-table td:first-child {
    width: 35%;
    font-weight: bold;
    background-color: #f9f9f9;
    border-right: 1px solid #eee;
}
.badge-studying {
    background-color: #48bb78;
    color: white;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
}

/* Admin Panel Modern Dashboard CSS */
.admin-login-body {
    background: linear-gradient(135deg, #334155 0%, #1e293b 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.admin-login-card {
    background: white;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 420px;
}
.admin-login-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #1e293b;
    text-align: center;
}

.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}
.admin-sidebar {
    background-color: #1e293b;
    color: white;
    padding: 20px;
}
.admin-sidebar h2 {
    font-size: 18px;
    padding-bottom: 15px;
    border-bottom: 1px solid #334155;
    margin-bottom: 20px;
}
.admin-sidebar a {
    display: block;
    color: #cbd5e1;
    padding: 12px 10px;
    text-decoration: none;
    border-radius: 4px;
    margin-bottom: 8px;
}
.admin-sidebar a:hover, .admin-sidebar a.active {
    background-color: #334155;
    color: white;
}
.admin-main {
    padding: 30px;
    background-color: #f8fafc;
}

.admin-card-box {
    background: white;
    padding: 25px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 25px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}
.admin-table th, .admin-table td {
    padding: 12px;
    border: 1px solid #e2e8f0;
    text-align: left;
    font-size: 14px;
}
.admin-table th {
    background-color: #f1f5f9;
    color: #334155;
}
.btn-action {
    padding: 5px 10px;
    font-size: 12px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin-right: 5px;
}
.btn-edit { background: #3b82f6; color: white; }
.btn-del { background: #ef4444; color: white; }

/* Responsive Media Queries for Mobile phones */
@media (max-width: 768px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }
    .admin-sidebar {
        padding: 15px;
    }
    .info-table td {
        display: block;
        width: 100% !important;
        border-right: none !important;
    }
    .info-table td:first-child {
        background-color: #f1f5f9;
        padding-top: 8px;
        padding-bottom: 4px;
    }
}