/* Triscan Tablet Interface - Evans Transport Branding */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --evans-green: #1e5631;
    --evans-green-dark: #163f24;
    --evans-green-light: #2a7545;
    --background: #f4f4f4;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --success: #28a745;
    --error: #dc3545;
    --border: #ddd;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    background: var(--background);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header */
.header {
    background: var(--evans-green);
    color: var(--white);
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header .logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 10px;
}

.header h1 {
    font-size: 32px;
    font-weight: 600;
    margin: 10px 0;
}

.header .subtitle {
    font-size: 18px;
    opacity: 0.9;
}

/* Main Container */
.container {
    max-width: 900px;
    margin: 30px auto;
    padding: 20px;
}

/* Form Card */
.form-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* Form */
.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.form-group label .required {
    color: var(--error);
}

.form-control {
    width: 100%;
    padding: 20px;
    font-size: 22px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--white);
    transition: border-color 0.3s, box-shadow 0.3s;
    /* Minimum touch target height for tablets */
    min-height: 65px;
}

.form-control:focus {
    outline: none;
    border-color: var(--evans-green);
    box-shadow: 0 0 0 3px rgba(30, 86, 49, 0.1);
}

.form-control::placeholder {
    color: #999;
    opacity: 1;
}

/* Uppercase input for registration */
.form-control.uppercase {
    text-transform: uppercase;
}

/* Error State */
.form-group.error .form-control {
    border-color: var(--error);
}

.error-message {
    display: block;
    color: var(--error);
    font-size: 16px;
    margin-top: 8px;
    font-weight: 500;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 25px;
    font-size: 24px;
    font-weight: 600;
    color: var(--white);
    background: var(--evans-green);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.3s, transform 0.1s;
    box-shadow: 0 4px 12px rgba(30, 86, 49, 0.3);
    /* Large touch target */
    min-height: 75px;
}

.btn-submit:hover {
    background: var(--evans-green-light);
}

.btn-submit:active {
    transform: scale(0.98);
    background: var(--evans-green-dark);
}

.btn-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

/* Success Message */
.alert {
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    font-size: 20px;
    font-weight: 600;
    text-align: center;
}

.alert-success {
    background: #d4edda;
    border: 2px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 2px solid #f5c6cb;
    color: #721c24;
}

.alert-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

/* Help Text */
.help-text {
    font-size: 16px;
    color: var(--text-light);
    margin-top: 8px;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
}

.loading::after {
    content: '...';
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Responsive adjustments for smaller tablets */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .form-card {
        padding: 30px 20px;
    }

    .header h1 {
        font-size: 28px;
    }

    .form-control {
        font-size: 20px;
        padding: 18px;
    }

    .btn-submit {
        font-size: 22px;
        padding: 22px;
    }
}

/* Landscape mode optimizations */
@media (orientation: landscape) {
    .container {
        max-width: 95%;
    }
}

/* Prevent zoom on input focus (iOS) */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    select,
    textarea,
    input {
        font-size: 16px !important;
    }
}