* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background:
        radial-gradient(circle at 15% 15%, rgba(255, 255, 255, 0.12), transparent 45%),
        radial-gradient(circle at 85% 10%, rgba(99, 102, 241, 0.12), transparent 40%),
        linear-gradient(135deg, #0f172a 0%, #111827 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    flex-grow: 1;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 450px;
    animation: fadeIn 0.5s ease-in;
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: #333;
    margin-bottom: 10px;
    font-size: 28px;
    font-weight: 600;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

.input-group label i {
    margin-right: 5px;
    color: #111827;
}

.input-group input[type="text"],
.input-group input[type="number"],
.input-group input[type="email"],
.input-group input[type="password"],
.input-group input[type="tel"],
.input-group select {
    width: 100%;
    padding: 12px 15px;
    border-radius: 10px;
    border: 2px solid #e0e0e0;
    font-size: 15px;
    background: #fff;
    color: #333;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input[type="text"]:focus,
.input-group input[type="number"]:focus,
.input-group input[type="email"]:focus,
.input-group input[type="password"]:focus,
.input-group input[type="tel"]:focus,
.input-group select:focus {
    border-color: #111827 !important;
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.12) !important;
}

/* Override ASP.NET validation error styles */
.input-group input.input-validation-error,
.input-group input.input-validation-error:focus,
.input-group input[aria-invalid="true"],
.input-group input[aria-invalid="true"]:focus {
    border-color: #e0e0e0 !important;
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.12) !important;
}

/* Override HTML5 validation styles (prevent browser defaults) */
.input-group input:valid,
.input-group input:invalid {
    box-shadow: none !important;
    outline: none !important;
}

.input-group input:valid:not(:placeholder-shown),
.input-group input:invalid:not(:placeholder-shown) {
    border-color: #e0e0e0 !important;
}

.input-group input:focus:valid,
.input-group input:focus:invalid {
    border-color: #111827 !important;
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.12) !important;
}

/* Override validation summary styles */
.validation-summary-errors,
.validation-summary-errors ul,
.validation-summary-errors li,
.validation-summary,
.text-danger.validation-summary,
div[class*="validation-summary"] {
    border: none !important;
    background: transparent !important;
}

.validation-summary ul {
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.input-group input::placeholder {
    color: #aaa;
}

.forgot-password-link {
    text-align: right;
    margin-top: -10px;
    margin-bottom: 20px;
}

.forgot-password-link a {
    color: #111827;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password-link a:hover {
    color: #0b1220;
    text-decoration: underline;
}

.login-button {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    border: none;
    background: #111827;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(17, 24, 39, 0.25);
}

.login-button:hover {
    transform: translateY(-2px);
    background: #0b1220;
    box-shadow: 0 6px 20px rgba(17, 24, 39, 0.35);
}

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

.login-button i {
    margin-right: 8px;
}

.links {
    margin-top: 25px;
    text-align: center;
}

.links p {
    color: #666;
    font-size: 14px;
}

.links a,
.register-link {
    color: #111827;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.links a:hover,
.register-link:hover {
    color: #0b1220;
    text-decoration: underline;
}

.text-danger {
    color: #dc3545;
    font-size: 13px;
    margin-top: 5px;
    display: block;
}

.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

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

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

.login-alert-warning {
    margin-bottom: 15px;
    padding: 12px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    color: #856404;
}

.login-alert-warning .login-alert-link {
    color: #0056b3;
    font-weight: 700;
    text-decoration: underline;
}

.login-alert-danger {
    margin-bottom: 15px;
    padding: 12px;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    color: #721c24;
}

/* Hide validation summary bullet when empty */
.validation-summary:empty {
    display: none !important;
}

.validation-summary ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.validation-summary li {
    padding: 8px 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    background-color: #f8d7da;
    border: none !important;
    color: #721c24;
}

/* Honeypot field - must remain invisible to users but visible to bots */
.honeypot-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    opacity: 0 !important;
    pointer-events: none !important;
    border: none !important;
    background: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* Mobile Responsive Styles */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .login-container {
        padding: 10px;
    }

    .login-box {
        padding: 30px 20px;
        border-radius: 15px;
    }

    .login-header h2 {
        font-size: 24px;
    }

    .login-header p {
        font-size: 13px;
    }

    h2 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .input-group {
        margin-bottom: 15px;
    }

    .input-group label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .input-group input[type="text"],
    .input-group input[type="number"],
    .input-group input[type="email"],
    .input-group input[type="password"],
    .input-group input[type="tel"],
    .input-group select {
        padding: 10px 12px;
        font-size: 14px;
        border-radius: 8px;
    }

    .login-button {
        padding: 12px;
        font-size: 15px;
        border-radius: 8px;
    }

    .forgot-password-link {
        margin-bottom: 15px;
    }

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

    .links {
        margin-top: 20px;
    }

    .links p {
        font-size: 13px;
    }

    .text-danger {
        font-size: 12px;
    }

    .alert {
        padding: 10px 12px;
        font-size: 13px;
        margin-bottom: 15px;
    }

    .login-alert-warning,
    .login-alert-danger {
        padding: 10px;
        margin-bottom: 12px;
    }

    .validation-summary li {
        padding: 6px 10px;
        margin-bottom: 6px;
        font-size: 13px;
    }
}

@media (max-width: 360px) {
    .login-box {
        padding: 20px 15px;
        border-radius: 12px;
    }

    .login-header h2 {
        font-size: 20px;
    }

    .login-header p {
        font-size: 12px;
    }

    h2 {
        font-size: 18px;
    }

    .input-group {
        margin-bottom: 12px;
    }

    .input-group label {
        font-size: 12px;
    }

    .input-group input[type="text"],
    .input-group input[type="number"],
    .input-group input[type="email"],
    .input-group input[type="password"],
    .input-group input[type="tel"],
    .input-group select {
        padding: 9px 10px;
        font-size: 13px;
    }

    .login-button {
        padding: 11px;
        font-size: 14px;
    }

    .links p {
        font-size: 12px;
    }

    .links a {
        font-size: 12px;
    }
}

@media (min-width: 768px) {
    .login-box {
        padding: 50px;
    }

    .login-header h2 {
        font-size: 32px;
    }

    .login-header p {
        font-size: 15px;
    }

    h2 {
        font-size: 28px;
    }

    .input-group {
        margin-bottom: 25px;
    }

    .input-group input[type="text"],
    .input-group input[type="number"],
    .input-group input[type="email"],
    .input-group input[type="password"],
    .input-group input[type="tel"],
    .input-group select {
        padding: 14px 16px;
        font-size: 16px;
    }

    .login-button {
        padding: 15px;
        font-size: 17px;
    }
}