html, body {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: 100% !important;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    min-height: 100vh !important;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    overflow-x: hidden !important;
}

.rfid-container {
    max-width: 500px !important;
    margin: 50px auto !important;
    padding: 20px !important;
    position: relative !important;
    z-index: 9999 !important;
}

.rfid-card {
    border: none !important;
    border-radius: 20px !important;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
    backdrop-filter: blur(10px) !important;
    background: rgba(255,255,255,0.95) !important;
    margin: 0 !important;
    padding: 0 !important;
}

.rfid-card-header {
    background: linear-gradient(135deg, #4f46e5, #7c3aed) !important;
    color: white !important;
    border-radius: 20px 20px 0 0 !important;
    border: none !important;
    padding: 25px !important;
    text-align: center !important;
    margin: 0 !important;
}

    .rfid-card-header h2 {
        margin: 0 !important;
        padding: 0 !important;
        font-weight: 600 !important;
        font-size: 1.5rem !important;
        color: white !important;
    }

    .rfid-card-header small {
        color: rgba(255,255,255,0.9) !important;
        font-size: 14px !important;
        margin: 5px 0 0 0 !important;
        display: block !important;
    }

/* User Info Bar */
.user-info-bar {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: white !important;
    padding: 15px 25px !important;
    margin: 0 !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    border-radius: 0 !important;
}

    .user-info-bar .user-welcome {
        font-size: 14px !important;
        font-weight: 500 !important;
    }

    .user-info-bar .logout-btn {
        background: rgba(255,255,255,0.2) !important;
        border: 1px solid rgba(255,255,255,0.3) !important;
        border-radius: 8px !important;
        color: white !important;
        padding: 5px 12px !important;
        font-size: 12px !important;
        cursor: pointer !important;
        transition: all 0.3s ease !important;
    }

        .user-info-bar .logout-btn:hover {
            background: rgba(255,255,255,0.3) !important;
        }

.rfid-card-body {
    padding: 30px !important;
    margin: 0 !important;
}

.rfid-form-group {
    margin-bottom: 20px !important;
    padding: 0 !important;
}

.rfid-form-label {
    font-weight: 600 !important;
    color: #374151 !important;
    margin-bottom: 8px !important;
    display: block !important;
    font-size: 14px !important;
}

.rfid-form-control, .rfid-form-select {
    border: 2px solid #e5e7eb !important;
    border-radius: 12px !important;
    padding: 12px 16px !important;
    font-size: 16px !important;
    transition: all 0.3s ease !important;
    width: 100% !important;
    background: white !important;
    color: #374151 !important;
    margin: 0 !important;
}

    .rfid-form-control:focus, .rfid-form-select:focus {
        border-color: #4f46e5 !important;
        box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25) !important;
        outline: none !important;
    }

.rfid-input-group {
    position: relative !important;
    display: flex !important;
    align-items: stretch !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

.rfid-input-group-text {
    background: #f8fafc !important;
    border: 2px solid #e5e7eb !important;
    border-right: none !important;
    border-radius: 12px 0 0 12px !important;
    color: #6b7280 !important;
    padding: 12px 16px !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
}

.rfid-input-group .rfid-form-control {
    border-left: none !important;
    border-radius: 0 12px 12px 0 !important;
}

.rfid-btn-primary {
    background: linear-gradient(135deg, #4f46e5, #7c3aed) !important;
    border: none !important;
    border-radius: 12px !important;
    padding: 12px 24px !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    transition: all 0.3s ease !important;
    width: 100% !important;
    color: white !important;
    cursor: pointer !important;
    margin: 0 !important;
}

    .rfid-btn-primary:hover {
        transform: translateY(-2px) !important;
        box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4) !important;
        background: linear-gradient(135deg, #4338ca, #6d28d9) !important;
        color: white !important;
    }

    .rfid-btn-primary:disabled {
        background: #9ca3af !important;
        transform: none !important;
        box-shadow: none !important;
        cursor: not-allowed !important;
    }

.rfid-alert {
    border: none !important;
    border-radius: 12px !important;
    padding: 16px 20px !important;
    margin: 20px 0 0 0 !important;
    font-weight: 500 !important;
}

.rfid-alert-success {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    color: white !important;
}

.rfid-alert-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    color: white !important;
}

.rfid-loading-spinner {
    width: 20px !important;
    height: 20px !important;
    border: 2px solid #ffffff !important;
    border-top: 2px solid transparent !important;
    border-radius: 50% !important;
    animation: rfid-spin 1s linear infinite !important;
    display: inline-block !important;
    margin: 0 0 0 10px !important;
}

@keyframes rfid-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.rfid-footer-info {
    text-align: center !important;
    margin: 20px 0 0 0 !important;
    color: rgba(255,255,255,0.8) !important;
    font-size: 14px !important;
    padding: 0 20px !important;
}

.rfid-status-indicator {
    display: inline-block !important;
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
    margin: 0 8px 0 0 !important;
    background: #10b981 !important;
}

.rfid-text-muted {
    color: #6b7280 !important;
    font-size: 12px !important;
    margin: 5px 0 0 0 !important;
    display: block !important;
}

/* Login Modal Styles */
.login-modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0,0,0,0.7) !important;
    z-index: 10000 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.login-modal-content {
    background: white !important;
    border-radius: 20px !important;
    width: 450px !important;
    max-width: 90vw !important;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3) !important;
    margin: 0 !important;
    padding: 0 !important;
}

.login-modal-header {
    background: linear-gradient(135deg, #4f46e5, #7c3aed) !important;
    color: white !important;
    padding: 25px !important;
    border-radius: 20px 20px 0 0 !important;
    text-align: center !important;
}

.login-modal-body {
    padding: 30px !important;
}

.captcha-container {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
    margin: 10px 0 !important;
}

.captcha-question {
    background: #f3f4f6 !important;
    padding: 8px 12px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    color: #374151 !important;
    min-width: 80px !important;
    text-align: center !important;
}

.captcha-input {
    width: 80px !important;
    text-align: center !important;
}

.login-attempts {
    color: #ef4444 !important;
    font-size: 12px !important;
    text-align: center !important;
    margin: 10px 0 0 0 !important;
}

.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.is-invalid {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 0.2rem rgba(239, 68, 68, 0.25) !important;
}