/* Login Page Modern Design */
:root {
    --primary-color: #00b3b0;
    --secondary-color: #caba97;
    --accent-color: #131313;
    --text-dark: #131313;
    --text-light: #7f8c8d;
    --bg-light: #f6f7f6;
    --bg-white: #ffffff;
    --border-color: #e6e2da;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Login Page Container */
.login-page-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, #f6f7f6 0%, #ffffff 50%, #f6f7f6 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.login-page-wrapper::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,179,176,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.login-page-wrapper::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(202,186,151,0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(50px, 50px) rotate(90deg); }
    50% { transform: translate(0, 100px) rotate(180deg); }
    75% { transform: translate(-50px, 50px) rotate(270deg); }
}

/* Login Card */
.login-card {
    background: var(--bg-white);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: none;
    position: relative;
    z-index: 2;
    animation: slideUp 0.6s ease-out;
}

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

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.login-card .card-body {
    padding: 60px 60px;
}

/* Header Section */
.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    font-size: 16px;
    color: var(--text-light);
}

/* Social Login Buttons */
.social-login-container {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.social-btn {
    flex: 1;
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
    color: white;
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: white;
}

.google-btn {
    background: #ea4335;
}

.google-btn:hover {
    background: #d33426;
}

.facebook-btn {
    background: #1877f2;
}

.facebook-btn:hover {
    background: #0d65d9;
}

.social-btn i {
    font-size: 18px;
}

/* Divider */
.divider-container {
    display: flex;
    align-items: center;
    margin: 35px 0;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.divider-text {
    padding: 0 20px;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Form Groups */
.modern-form-group {
    margin-bottom: 25px;
}

.modern-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 10px;
    display: block;
}

.modern-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    color: var(--accent-color);
    background: var(--bg-white);
    transition: var(--transition);
}

.modern-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0,179,176,0.1);
}

.modern-input::placeholder {
    color: var(--text-light);
}

/* Password Field */
.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--primary-color);
}

/* Remember Me & Forgot Password */
.remember-forgot-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.modern-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.modern-checkbox input[type="checkbox"].checkbox-input {
    display: none;
}

.checkbox-custom {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-white);
    transition: var(--transition);
    flex-shrink: 0;
    position: relative;
}

.checkbox-custom i {
    font-size: 14px;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-checkbox input[type="checkbox"].checkbox-input:checked + .checkbox-custom {
    background: linear-gradient(135deg, var(--primary-color), #00a39f);
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 179, 176, 0.3);
}

.modern-checkbox input[type="checkbox"].checkbox-input:checked + .checkbox-custom i {
    opacity: 1;
    transform: scale(1);
}

.modern-checkbox:hover .checkbox-custom {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 179, 176, 0.15);
}

.modern-checkbox input[type="checkbox"].checkbox-input:focus-visible + .checkbox-custom {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.checkbox-label {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.modern-checkbox:hover .checkbox-label {
    color: var(--primary-color);
}

.forgot-link {
    font-size: 14px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Submit Button */
.login-submit-btn {
    width: 100%;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.login-submit-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.login-submit-btn:hover::before {
    width: 400px;
    height: 400px;
}

.login-submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,179,176,0.3);
}

.login-submit-btn:active {
    transform: translateY(-1px);
}

/* Register Link */
.register-link-container {
    text-align: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.register-text {
    font-size: 15px;
    color: var(--text-dark);
}

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

.register-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Alert Messages */
.modern-alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideDown 0.4s ease-out;
}

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

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

/* Responsive Design */

/* Large Tablets & Small Laptops - 1024px */
@media (max-width: 1024px) {
    .login-card .card-body {
        padding: 50px 50px;
    }

    .login-title {
        font-size: 32px;
    }

    .modern-input {
        padding: 13px 16px;
        font-size: 14px;
    }
}

/* Tablets - 768px */
@media (max-width: 768px) {
    .login-card .card-body {
        padding: 45px 35px;
    }

    .login-title {
        font-size: 30px;
    }

    .login-subtitle {
        font-size: 15px;
    }

    .social-login-container {
        gap: 12px;
    }

    .social-btn {
        padding: 12px 18px;
        font-size: 14px;
    }

    .modern-input {
        padding: 12px 16px;
        font-size: 14px;
    }

    .remember-forgot-container {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}

/* Large Mobile - 428px */
@media (max-width: 428px) {
    .login-page-wrapper {
        padding: 50px 0;
    }

    .login-card .card-body {
        padding: 40px 25px;
    }

    .login-title {
        font-size: 28px;
    }

    .login-subtitle {
        font-size: 14px;
    }

    .social-login-container {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 25px;
    }

    .social-btn {
        width: 100%;
        padding: 13px 16px;
        font-size: 14px;
    }

    .divider-container {
        margin: 25px 0;
    }

    .modern-form-group {
        margin-bottom: 20px;
    }

    .modern-label {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .modern-input {
        padding: 12px 14px;
        font-size: 14px;
    }

    .remember-forgot-container {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
        margin-bottom: 25px;
    }

    .checkbox-label {
        font-size: 13px;
    }

    .forgot-link {
        font-size: 13px;
    }

    .login-submit-btn {
        padding: 14px 18px;
        font-size: 15px;
    }

    .register-link-container {
        margin-top: 25px;
        padding-top: 25px;
    }

    .register-text {
        font-size: 14px;
    }
}

/* Small Mobile - 320px */
@media (max-width: 320px) {
    .login-page-wrapper {
        padding: 40px 0;
    }

    .login-card .card-body {
        padding: 30px 15px;
    }

    .login-title {
        font-size: 24px;
    }

    .login-subtitle {
        font-size: 13px;
    }

    .social-login-container {
        gap: 8px;
        margin-bottom: 20px;
    }

    .social-btn {
        padding: 12px 14px;
        font-size: 13px;
    }

    .social-btn i {
        font-size: 16px;
    }

    .divider-container {
        margin: 20px 0;
    }

    .divider-text {
        font-size: 12px;
        padding: 0 15px;
    }

    .modern-form-group {
        margin-bottom: 18px;
    }

    .modern-label {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .modern-input {
        padding: 10px 12px;
        font-size: 13px;
        border-radius: 10px;
    }

    .password-toggle {
        right: 12px;
    }

    .modern-checkbox input[type="checkbox"] {
        width: 18px;
        height: 18px;
    }

    .checkbox-label {
        font-size: 12px;
    }

    .forgot-link {
        font-size: 12px;
    }

    .remember-forgot-container {
        gap: 10px;
        margin-bottom: 20px;
    }

    .login-submit-btn {
        padding: 13px 16px;
        font-size: 14px;
        border-radius: 10px;
    }

    .register-link-container {
        margin-top: 20px;
        padding-top: 20px;
    }

    .register-text {
        font-size: 13px;
    }

    .modern-alert {
        padding: 14px 16px;
        font-size: 13px;
    }

    .alert-icon {
        font-size: 16px;
    }
}

/* Animation for form elements */
.modern-form-group {
    animation: fadeInUp 0.5s ease-out backwards;
}

.modern-form-group:nth-child(1) { animation-delay: 0.1s; }
.modern-form-group:nth-child(2) { animation-delay: 0.2s; }
.modern-form-group:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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