:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --accent-color: #10b981;
    --text-color: #1e293b;
    --text-light: #64748b;
    --light-gray: #f8fafc;
    --white: #ffffff;
    --error-bg: #fee2e2;
    --error-text: #b91c1c;
    --error-border: #dc2626;
    --box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --register-btn-bg: #f1f5f9;
    --register-btn-text: var(--primary-color);
    --register-btn-hover: #e2e8f0;
}

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

body {
    background-color: #f1f5f9;
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    display: flex;
    flex: 1;
    min-height: 100vh;
}

.login-section {
    flex: 1;
    max-width: 500px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    z-index: 1;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    text-align: center;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-align: center;
}

.login-form {
    width: 100%;
    transition: all 0.3s ease;
}

.form-group {
    margin-bottom: 1rem;
    width: 100%;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.input-container {
    display: flex;
    align-items: center;
    position: relative;
}

.input-container input {
    width: 100%;
    padding: 1rem 1rem 1rem 2.5rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.input-container input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-light);
    transition: var(--transition);
}

.input-container input:focus+.input-icon {
    color: var(--primary-color);
}

.input-container select {
    width: 100%;
    padding: 1rem 1rem 1rem 2.5rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: #fff;
    color: var(--text-color);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%2364748b' d='M2 0L0 2h4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 0.65em auto;
    transition: var(--transition);
}

.input-container select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.input-container select:focus+.input-icon {
    color: var(--primary-color);
}

.submit-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    border-radius: 0.75rem;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error {
    background-color: var(--error-bg);
    color: var(--error-text);
    border-left: 4px solid var(--error-border);
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.promo-section {
    flex: 1;
    position: relative;
}

.promo-slider,
.promo-slide {
    position: absolute;
    width: 100%;
    height: 100%;
}

.promo-slider {
    overflow: hidden;
}

.promo-slide {
    opacity: 0;
    transition: opacity 1s ease;
}

.promo-slide.active {
    opacity: 1;
}

.promo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.slider-nav:hover {
    background: rgba(255, 255, 255, 0.5);
}

.slider-nav.prev {
    left: 20px;
}

.slider-nav.next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots .dot.active {
    background: var(--accent-color);
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.captcha-container img {
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    height: 50px;
}

.refresh-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.refresh-btn:hover {
    color: var(--primary-dark);
    transform: rotate(180deg);
}

.captcha-container input {
    flex: 1;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.captcha-container input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

#otpGroup {
    margin-top: 1.5rem;
    animation: fadeIn 0.3s ease;
}

.otp-note {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.footer-text {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    text-align: center;
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1024px) {
    .container {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }
    .login-section {
        max-width: 100%;
        padding: 2rem 1.5rem;
    }
    .promo-section {
        display: none;
    }
}

.register-btn {
    width: 100%;
    padding: 0.9rem 1.5rem;
    background-color: var(--register-btn-bg);
    color: var(--register-btn-text);
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: var(--transition);
}

.register-btn:hover {
    background-color: var(--register-btn-hover);
    transform: translateY(-1px);
}

.register-btn .btn-icon {
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .register-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
    }
    #registrationForm .input-container input {
        padding: 0.9rem 0.9rem 0.9rem 2.5rem;
    }
}

.forgot-password {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    text-align: right;
}

.forgot-password a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    background-color: transparent;
    transition: all 0.3s ease;
    box-shadow: 0 0 0 transparent;
}

.forgot-password a:hover {
    color: var(--primary-dark);
    background-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
    text-decoration: none;
}

.forgot-password a i {
    font-size: 0.85rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.forgot-password a:hover i {
    transform: translateX(4px) rotate(8deg);
    color: var(--primary-dark);
}

/* Hide during OTP verification */
#otpGroup[style*="display: block"]~.forgot-password,
#otpGroup[style*="display: block"]~#registerButton {
    display: none !important;
}

/* Alert styles for registration form */
#registrationForm .input-container input {
    padding: 1rem 1rem 1rem 2.8rem;
}

/* Back button styles */
#backToLoginFromForgot,
#backToLoginFromRegister {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

#backToLoginFromForgot:hover,
#backToLoginFromRegister:hover {
    background-color: rgba(37, 99, 235, 0.1);
}

/* Mobile number input */
input[type="tel"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

input[type="tel"]::-webkit-inner-spin-button,
input[type="tel"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}