/* --- CSS Custom Properties (Theme Variables) --- */
:root {
    --primary-blue: #003366; /* CSIR Blue */
    --secondary-gold: #b12805; /* CSIR Gold/Yellow */
    --background-color: #f4f7f9;
    --card-background: #ffffff;
    --text-color: #333333;
    --light-text-color: #ffffff;
    --border-color: #e0e0e0;
    --input-focus-glow: rgba(0, 51, 102, 0.2);
    --danger-color: #fdf2f2;
    --danger-border: #e0b4b4;
    --font-family: 'Poppins', sans-serif;
    --border-radius: 8px;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

/* --- Global Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    text-decoration: underline;
    color: var(--secondary-gold);
}

/* --- Header Styling --- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--card-background);
    border-bottom: 1px solid var(--border-color);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 50px;
}

.logo-text h1 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.logo-text h2 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
}

.header-nav {
    display: flex;
    gap: 20px;
}

.header-nav a {
    font-weight: 500;
}

/* --- Main Content Layout --- */
.login-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr; /* Left column slightly larger */
    gap: 2rem;
    padding: 2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

/* --- Info Panel (Left Side) --- */
.info-panel .info-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.info-card h3 {
    font-size: 1.25rem;
    color: var(--primary-blue);
    border-bottom: 2px solid var(--secondary-gold);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.date-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.9rem;
}

.date-item:last-child {
    border-bottom: none;
}

.date-item span {
    color: #555;
}

.info-card ul {
    list-style-position: inside;
    padding-left: 0.5rem;
    font-size: 0.9rem;
}

.info-card li {
    margin-bottom: 0.5rem;
}

.js-warning {
    background-color: var(--danger-color);
    border: 1px solid var(--danger-border);
    border-radius: var(--border-radius);
    padding: 1rem;
    font-size: 0.9rem;
    color: #a94442;
}

/* --- Form Panel (Right Side) --- */
.form-panel {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border-top: 5px solid var(--primary-blue);
}

.form-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--primary-blue);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.required {
    color: #d9534f;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--input-focus-glow);
}

.captcha-image {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.75rem;
}

.captcha-image img {
    border-radius: var(--border-radius);
}

.refresh-captcha {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--primary-blue);
    transition: background-color 0.2s, color 0.2s;
}

.refresh-captcha:hover {
    background-color: var(--primary-blue);
    color: var(--light-text-color);
}

.btn-login {
    width: 100%;
    padding: 15px;
    border: none;
    background-color: var(--secondary-gold);
    color: var(--light-text-color);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-login:hover {
    background-color: #b38612; /* Darker gold */
}

.btn-login:active {
    transform: scale(0.98);
}

.form-links {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

/* --- Footer --- */
.page-footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    background-color: var(--primary-blue);
    color: var(--light-text-color);
    font-size: 0.9rem;
}

/* --- Responsive Design (Media Queries) --- */
@media (max-width: 1024px) {
    .login-container {
        grid-template-columns: 1fr; /* Stack columns on tablets and below */
    }
    .form-panel {
        order: -1; /* Move the form to the top on smaller screens */
    }
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        gap: 1rem;
    }
    .login-container {
        padding: 1rem;
    }
    .form-panel {
        padding: 1.5rem;
    }
    .date-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}