/* Zscaler Brand Colors */
:root {
    --zscaler-blue: #236BF5;
    --midnight-blue: #012673;
    --aquamarine: #6BFFB3;
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --medium-gray: #E0E4E8;
    --dark-gray: #6B7280;
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --error-red: #DC2626;
    --warning-orange: #F59E0B;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, var(--midnight-blue) 0%, var(--zscaler-blue) 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

/* Header */
.header {
    background: linear-gradient(90deg, var(--midnight-blue) 0%, var(--zscaler-blue) 100%);
    color: var(--white);
    padding: 24px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo svg text {
    fill: var(--white);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-left: auto;
}

/* Alert Banner */
.alert-banner {
    background: linear-gradient(90deg, #FEF3C7 0%, #FDE68A 100%);
    border-left: 4px solid var(--warning-orange);
    padding: 16px 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-icon {
    width: 24px;
    height: 24px;
    background: var(--warning-orange);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.alert-content strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

.alert-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Form */
.ticket-form {
    padding: 24px 32px;
}

/* Fieldset */
.form-section {
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.form-section legend {
    font-size: 1rem;
    font-weight: 600;
    color: var(--midnight-blue);
    padding: 0 8px;
}

/* Form Layout */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    flex: 1;
}

.form-group.full-width {
    flex: 1 0 100%;
}

/* Labels */
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.required {
    color: var(--error-red);
}

/* Inputs */
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.95rem;
    border: 1px solid var(--medium-gray);
    border-radius: 6px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--zscaler-blue);
    box-shadow: 0 0 0 3px rgba(35, 107, 245, 0.15);
}

/* Read-only inputs */
.form-group input[readonly] {
    background: var(--light-gray);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.form-group input[readonly]:focus {
    border-color: var(--medium-gray);
    box-shadow: none;
}

/* Textarea */
.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-group textarea::placeholder {
    color: var(--dark-gray);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 8px;
}

/* Submit Button */
.btn-submit {
    background: linear-gradient(90deg, var(--zscaler-blue) 0%, var(--midnight-blue) 100%);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(35, 107, 245, 0.4);
}

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

/* Responsive Design */
@media (max-width: 640px) {
    body {
        padding: 10px;
    }

    .container {
        border-radius: 8px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 12px;
    }

    .header h1 {
        margin-left: 0;
        font-size: 1.25rem;
    }

    .ticket-form {
        padding: 16px 20px;
    }

    .form-section {
        padding: 16px;
    }

    .form-row {
        flex-direction: column;
        gap: 16px;
    }

    .alert-banner {
        padding: 12px 16px;
    }

    .form-actions {
        justify-content: center;
    }

    .btn-submit {
        width: 100%;
    }
}