/* ============================================
   EARIST LMS Login Page - Maroon Glass Theme
   ============================================ */

:root {
    --maroon-primary: #800020;
    --maroon-dark: #5c0016;
    --maroon-light: #a02c47;
    --maroon-accent: #c75b7a;
    --maroon-rgb: 128, 0, 32;
    --gold-accent: #ffd700;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --dark-gray: #343a40;
    --error: #dc3545;
    --success: #28a745;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-sm: 0 2px 10px rgba(var(--maroon-rgb), 0.1);
    --shadow-md: 0 4px 20px rgba(var(--maroon-rgb), 0.15);
    --shadow-lg: 0 8px 32px rgba(var(--maroon-rgb), 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Login Container ===== */
.login-container {
    display: grid;
    grid-template-columns: 45% 55%;
    min-height: 100vh;
}

/* ===== Left Side - Information ===== */
.login-info {
    background: linear-gradient(135deg, var(--maroon-primary) 0%, var(--maroon-dark) 100%);
    position: relative;
    padding: 3rem;
    color: var(--white);
    overflow-y: auto;
}

.info-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.info-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: var(--transition);
    opacity: 0.9;
}

.back-home:hover {
    opacity: 1;
    gap: 12px;
}

.logo-section {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

.login-logo {
    max-width: 260px;
    max-height: 100px;
    width: auto;
    height: auto;
    border-radius: 0;
    margin-bottom: 1rem;
    object-fit: contain;
    animation: float 3s ease-in-out infinite;
}

/* Wide / landscape logo */
.login-logo-wide {
    max-width: 300px;
    max-height: 100px;
    width: auto;
    height: auto;
    border-radius: 0;
    object-fit: contain;
}

.logo-section h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 300;
}

.welcome-section {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.welcome-message {
    margin-bottom: 2.5rem;
}

.welcome-message h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.8rem;
}

.welcome-text {
    font-size: 1.05rem;
    line-height: 1.8;
    opacity: 0.95;
}

.quotes-section {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.quote-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    transition: var(--transition);
}

.quote-card:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateX(4px);
}

.quote-text {
    font-size: 0.95rem;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 0.4rem;
    opacity: 0.95;
}

.quote-author {
    font-size: 0.85rem;
    opacity: 0.7;
    font-weight: 500;
}



/* ===== Right Side - Login Form ===== */
.login-form-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.form-container {
    width: 100%;
    max-width: 500px;
    padding: 3rem;
    border-radius: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.8s ease-out;
}

.form-container h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--maroon-primary);
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: var(--dark-gray);
    margin-bottom: 2rem;
    opacity: 0.8;
}

/* ===== Alerts ===== */
.alert {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

/* ===== Form Styles ===== */
.login-form {
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--maroon-dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 2px solid rgba(var(--maroon-rgb), 0.2);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus {
    outline: none;
    border-color: var(--maroon-primary);
    box-shadow: 0 0 0 3px rgba(var(--maroon-rgb), 0.1);
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 3rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper input {
    padding-right: 3rem;
}

.validation-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.validation-icon.loading {
    opacity: 1;
    animation: spin 1s linear infinite;
}

.validation-icon.success,
.validation-icon.error {
    opacity: 1;
    animation: fadeIn 0.3s ease;
}

@keyframes spin {
    from {
        transform: translateY(-50%) rotate(0deg);
    }
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-50%) scale(0.5);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
}

.validation-message {
    display: block;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.validation-message.success {
    color: #10b981;
    opacity: 1;
}

.validation-message.error {
    color: #ef4444;
    opacity: 1;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--maroon-primary);
    opacity: 0.6;
    transition: var(--transition);
}

.toggle-password:hover {
    opacity: 1;
}

.error-text {
    display: block;
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ===== CAPTCHA Styles ===== */
.captcha-group {
    margin-bottom: 1.5rem;
}

.captcha-box {
    display: flex;
    gap: 10px;
    margin-bottom: 0.8rem;
}

.captcha-display {
    flex: 1;
    background: linear-gradient(135deg, var(--maroon-light), var(--maroon-accent));
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 6px;
    font-family: 'Courier New', monospace;
    user-select: none;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    transition: background 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}
.captcha-display.captcha-verified {
    background: linear-gradient(135deg, #059669, #10b981);
    box-shadow: 0 0 18px rgba(16, 185, 129, 0.35);
    transform: scale(1.03);
}
.captcha-display.captcha-error-flash {
    animation: captchaFlash 0.5s ease;
}

/* Captcha input match / mismatch states */
#captchaInput {
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
#captchaInput.captcha-match {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18);
    background: #ecfdf5;
}
#captchaInput.captcha-mismatch {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18);
    background: #fef2f2;
}
#captchaInput.captcha-shake {
    animation: captchaShake 0.5s ease;
}

@keyframes captchaShake {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-6px); }
    30% { transform: translateX(6px); }
    45% { transform: translateX(-4px); }
    60% { transform: translateX(4px); }
    75% { transform: translateX(-2px); }
    90% { transform: translateX(2px); }
}

@keyframes captchaFlash {
    0% { background: linear-gradient(135deg, var(--maroon-light), var(--maroon-accent)); }
    50% { background: linear-gradient(135deg, #dc2626, #ef4444); }
    100% { background: linear-gradient(135deg, var(--maroon-light), var(--maroon-accent)); }
}

.refresh-captcha {
    background: var(--maroon-primary);
    border: none;
    padding: 0 1rem;
    border-radius: 10px;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.refresh-captcha:hover {
    background: var(--maroon-dark);
    transform: rotate(180deg);
}

/* Captcha countdown timer */
.captcha-timer {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--maroon-primary, #800020);
    background: rgba(var(--maroon-rgb), 0.08);
    padding: 2px 8px;
    border-radius: 6px;
    letter-spacing: 1px;
    transition: color 0.3s, background 0.3s;
}
.captcha-timer-warning {
    color: #d97706;
    background: rgba(245, 158, 11, 0.1);
}
.captcha-timer-danger {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    animation: timerPulse 1s ease infinite;
}
@keyframes timerPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Progress bar under captcha */
.captcha-progress-wrap {
    height: 3px;
    background: #e5e7eb;
    border-radius: 3px;
    margin-bottom: 0.8rem;
    overflow: hidden;
}
.captcha-progress-bar {
    height: 100%;
    width: 100%;
    background: var(--maroon-primary, #800020);
    border-radius: 3px;
    transition: width 1s linear, background 0.3s ease;
}

/* New code pulse animation */
.captcha-display.captcha-new-code {
    animation: captchaNewCode 0.6s ease;
}
@keyframes captchaNewCode {
    0% { transform: scale(1); }
    30% { transform: scale(1.06); box-shadow: 0 0 20px rgba(var(--maroon-rgb), 0.3); }
    100% { transform: scale(1); box-shadow: none; }
}

/* ===== Form Options ===== */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--dark-gray);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--maroon-primary);
}

.forgot-link {
    color: var(--maroon-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-link:hover {
    color: var(--maroon-dark);
    text-decoration: underline;
}

/* ===== Buttons ===== */
.btn-login {
    width: 100%;
    padding: 1rem;
    background: var(--maroon-primary);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-md);
    font-family: 'Poppins', sans-serif;
}

.btn-login:hover {
    background: var(--maroon-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login.btn-disabled,
.btn-login:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none !important;
    box-shadow: none !important;
}

.btn-login.btn-disabled:hover,
.btn-login:disabled:hover {
    background: #9ca3af;
    transform: none;
    box-shadow: none;
}

/* ===== Divider ===== */
.divider {
    text-align: center;
    position: relative;
    margin: 2rem 0;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: rgba(var(--maroon-rgb), 0.2);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    background: var(--glass-bg);
    padding: 0 1rem;
    color: var(--dark-gray);
    opacity: 0.6;
    font-size: 0.9rem;
}

/* ===== Social Login Buttons ===== */
.btn-social {
    width: 100%;
    padding: 1rem;
    background: var(--white);
    border: 2px solid rgba(var(--maroon-rgb), 0.2);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--dark-gray);
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    margin-bottom: 0.75rem;
}

.btn-social:hover {
    border-color: var(--maroon-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-social:last-child {
    margin-bottom: 0;
}

/* ===== Footer Links ===== */
.signup-link {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(var(--maroon-rgb), 0.1);
}

.signup-link p {
    color: var(--dark-gray);
}

.signup-link a {
    color: var(--maroon-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.signup-link a:hover {
    color: var(--maroon-dark);
    text-decoration: underline;
}

.help-section {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--dark-gray);
    opacity: 0.8;
}

.help-section a {
    color: var(--maroon-primary);
    text-decoration: none;
}

.help-section a:hover {
    text-decoration: underline;
}

/* ===== Animations ===== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .login-container {
        grid-template-columns: 40% 60%;
    }
}

@media (max-width: 968px) {
    .login-container {
        grid-template-columns: 1fr;
    }
    
    .login-info {
        min-height: 50vh;
        padding: 2rem;
    }
    
    .info-content {
        max-width: 100%;
    }
    
    .logo-section h1 {
        font-size: 2.5rem;
    }
    
    .welcome-section {
        display: none;
    }
    
    .logo-section {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .login-info {
        min-height: 40vh;
        padding: 1.5rem;
    }
    
    .login-form-section {
        padding: 1.5rem;
    }
    
    .form-container {
        padding: 2rem 1.5rem;
    }
    
    .form-container h2 {
        font-size: 1.7rem;
    }
}

@media (max-width: 480px) {
    .login-info {
        min-height: 35vh;
    }
    
    .logo-section h1 {
        font-size: 2rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* ===== Loading State ===== */
.btn-login.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-login.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== Login Mode Toggle ===== */
.login-mode-toggle {
    display: flex;
    gap: 0;
    background: #f3f4f6;
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 1.5rem;
}

.mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0.6rem 0.75rem;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: #6b7280;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: 'Poppins', sans-serif;
}

.mode-btn:hover {
    color: #374151;
}

.mode-btn.active {
    background: var(--maroon-primary, #800020);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--maroon-rgb), 0.25);
}

.mode-btn svg {
    flex-shrink: 0;
}

/* ===== 2FA Code Input ===== */
.totp-input-wrapper {
    position: relative;
}

.totp-input-wrapper input {
    width: 100%;
    padding: 0.75rem 0.75rem 0.75rem 2.75rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-align: center;
    background: var(--bg-light);
    transition: var(--transition);
    font-family: 'Courier New', monospace;
    box-sizing: border-box;
}

.totp-input-wrapper input:focus {
    border-color: var(--maroon-primary);
    box-shadow: 0 0 0 4px rgba(var(--maroon-rgb), 0.1);
    outline: none;
}

.totp-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    display: flex;
}

.totp-hint {
    display: block;
    font-size: 0.77rem;
    color: #9ca3af;
    margin-top: 6px;
}

.btn-login-2fa {
    background: linear-gradient(135deg, var(--maroon-primary) 0%, var(--maroon-light) 100%);
}

.btn-login-2fa:hover {
    background: linear-gradient(135deg, var(--maroon-dark) 0%, var(--maroon-primary) 100%);
}