/* ============================================================
// FILE: auth.css
// ============================================================ */

:root {
    --auth-bg: #f4f7fc;
    --form-bg: #ffffff;
    --branding-bg: linear-gradient(135deg, #1a2a45, #2c3e50);
    --text-color: #333;
    --text-light: #f1f1f1;
    --border-color: #d1d9e6;
    --accent-color: #007bff;
    --accent-hover: #0056b3;
    --error-color: #e74c3c;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --input-bg: #edf2f9;
}

/* Apply dark theme variables if needed */
.dark-theme {
    --auth-bg: #1a2a45;
    --form-bg: #2c3e50;
    --branding-bg: linear-gradient(135deg, #121c2e, #1f2b38);
    --text-color: #f1f1f1;
    --text-light: #e0e0e0;
    --border-color: #4a5a70;
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --input-bg: #1f304a;
}

.auth-page {
    font-family: 'Inter', sans-serif;
    background-color: var(--auth-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-layout {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    width: 100%;
    max-width: 1200px;
    min-height: 70vh;
    background-color: var(--form-bg);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* --- Branding Panel (Left Side) --- */
.branding-panel {
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

#slideshow-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#slideshow-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

#slideshow-container img.visible {
    opacity: 1;
}

.branding-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 42, 69, 0.6);
    z-index: 2;
}

.branding-content {
    position: relative;
    z-index: 3;
}

.branding-content h1 a {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    margin-bottom: 1rem;
    display: inline-block;
    letter-spacing: 1px;
}

.branding-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    opacity: 0.8;
    max-width: 300px;
}

/* --- Form Panel (Right Side) --- */
.form-panel {
    padding: 3rem 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

#signin-form-container,
#signup-form-container {
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

#signin-form-container.hidden,
#signup-form-container.hidden {
    opacity: 0;
    transform: scale(0.98);
    position: absolute;
    pointer-events: none;
}

.form-panel h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

.auth-button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    background-color: var(--accent-color);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.auth-button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 1rem;
    text-align: center;
}

.auth-toggle {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

.auth-toggle a {
    color: var(--accent-color);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
}

.auth-toggle a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* --- Footer in Form Panel --- */
.form-panel footer {
    margin-top: 3rem;
    text-align: center;
    padding: 0;
    background-color: transparent;
    border-top: none;
}

.form-panel footer p {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.7;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .branding-panel {
        display: none;
    }

    .form-panel {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .auth-page {
        padding: 1rem;
    }
    
    .form-panel {
        padding: 2rem 1.5rem;
    }
    
    .form-panel h2 {
        font-size: 1.8rem;
    }
}