/* web/static/css/components/_form_elements.css */

.form-container {
    background-color: var(--surface-1);
    padding: var(--size-7);
    border-radius: var(--radius-3);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-1);
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.form-section {
    margin-bottom: var(--size-7);
    padding-bottom: var(--size-6);
    border-bottom: 1px solid var(--border-color);
    transition: border-color var(--transition-speed) ease;
}
.form-section:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.form-section h2 {
    font-size: var(--font-size-2);
    font-weight: var(--font-weight-6);
    color: var(--text-1);
    margin-bottom: var(--size-5);
}

.form-grid { /* Optional: Use grid for layout */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Responsive columns */
    gap: var(--size-6);
}

.form-group {
    margin-bottom: var(--size-4); /* 20px - proper spacing */
}
.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: var(--font-size-0); /* 0.875rem */
    font-weight: var(--font-weight-5);
    color: var(--text-1);
    margin-bottom: var(--size-1); /* 4px */
    transition: color var(--transition-1);
}
.form-label .required-indicator {
    color: var(--danger-color);
    margin-left: var(--size-1);
    font-weight: var(--font-weight-6);
}
.form-label .optional-indicator {
    color: var(--text-3);
    font-size: var(--font-size-0);
    font-weight: var(--font-weight-4);
    margin-left: var(--size-2);
}

/* Base Input Styles using Open Props */
.form-input,
.form-select {
    width: 100%;
    padding: var(--size-2) var(--size-3); /* 8px 16px */
    border-radius: var(--radius-2);
    border: 1px solid var(--input-border);
    background-color: var(--surface-3);
    font-size: var(--font-size-1); /* 1rem */
    color: var(--text-1);
    line-height: var(--font-lineheight-2); /* 1.5 */
    height: var(--size-8); /* 42px */
    min-height: unset;
    max-height: var(--size-8);
    box-sizing: border-box;
    transition: background-color var(--transition-1), border-color var(--transition-1), box-shadow var(--transition-1);
}

.form-textarea {
    width: 100%;
    padding: var(--size-2) var(--size-3); /* 8px 16px */
    border-radius: var(--radius-2);
    border: 1px solid var(--input-border);
    background-color: var(--surface-3);
    font-size: var(--font-size-1); /* 1rem */
    color: var(--text-1);
    line-height: var(--font-lineheight-2); /* 1.5 */
    box-sizing: border-box;
    transition: background-color var(--transition-1), border-color var(--transition-1), box-shadow var(--transition-1);
}
/* Textarea specific overrides */
.form-textarea {
    height: auto;
    min-height: var(--size-9); /* 64px */
    resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-3);
    opacity: 1;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--input-focus-border);
    background-color: var(--surface-1); /* Change background on focus */
    box-shadow: 0 0 0 2px hsl(var(--brand-hsl) / 0.2);
}

/* --- Refined Form Select Styles --- */
.form-select {
    appearance: none; /* Remove default browser appearance */
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: none; /* Remove previous SVG background image */
    padding-right: var(--size-8); /* Ensure space for custom arrow */
    background-color: var(--surface-3); /* Explicitly set background */
    position: relative; /* Needed for absolute positioning of pseudo-element */
    cursor: pointer;
}

/* Custom Arrow using Pseudo-element */
.form-select-wrapper { /* Optional: Add a wrapper if needed */
    position: relative;
    display: block; /* Or inline-block */
}

.form-select-wrapper::after, /* Or target .form-select::after if no wrapper */
.form-select::after {
    content: '';
    position: absolute;
    top: 50%;
    right: var(--size-3);
    transform: translateY(-50%) rotate(45deg);
    width: var(--size-2); /* Size of the arrow */
    height: var(--size-2);
    border: solid var(--text-3); /* Arrow color */
    border-width: 0 2px 2px 0; /* Create chevron shape */
    pointer-events: none; /* Allow clicks to pass through */
    transition: border-color var(--transition-speed) ease;
}

.form-select:hover::after { /* Or target .form-select-wrapper:hover::after */
    border-color: var(--text-2); /* Slightly darker arrow on hover */
}

/* Style for the placeholder option */
.form-select:required:invalid {
    color: var(--text-3);
}
.form-select option { /* Target options directly */
     color: var(--text-1);
     background-color: var(--surface-1); /* Match dropdown background */
}
/* Ensure dark mode option colors are readable */
[data-theme="dark"] .form-select option {
     color: var(--text-1);
     background-color: var(--surface-3); /* Darker dropdown background */
}


/* Switch Component */
.switch-group {
    display: flex;
    align-items: center;
    gap: var(--size-2); /* 8px */
    min-height: calc(var(--size-7) + var(--size-1)); /* 36px */
}
.switch {
    position: relative;
    display: inline-block;
    width: 44px; /* Width of the switch */
    height: 24px; /* Height of the switch */
    flex-shrink: 0;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--surface-3);
    border: 1px solid var(--input-border);
    transition: var(--transition-speed) ease;
    border-radius: 34px; /* Make it pill-shaped */
}
.switch-slider:before {
    position: absolute;
    content: "";
    height: 18px; /* Size of the knob */
    width: 18px;
    left: 2px; /* Padding from edge */
    bottom: 2px;
    background-color: white;
    transition: var(--transition-speed) ease;
    border-radius: 50%;
    box-shadow: var(--shadow-1);
}
.switch input:checked + .switch-slider {
    background-color: var(--brand);
    border-color: var(--brand);
}
.switch input:focus-visible + .switch-slider {
     border-color: var(--input-focus-border);
     box-shadow: 0 0 0 2px hsl(var(--brand-hsl) / 0.3);
}
.switch input:checked + .switch-slider:before {
    transform: translateX(20px); /* Move knob to the right */
}
.switch-label {
    font-size: var(--font-size-1);
    color: var(--text-1);
    cursor: pointer;
    line-height: 1.3; /* Adjust line height */
}

/* Validation States */
.error-message {
    display: block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-4);
    color: var(--danger-color);
    margin-top: 6px;
    margin-bottom: 0 !important;
    margin-left: 0 !important;
    margin-right: 0;
    transition: all var(--transition-2);
    position: relative;
    padding: 0;
    background: none;
    border: none;
    line-height: 1.3;
    text-align: left;
}

/* Datastar-controlled error messages (using data-show) */
.error-message[data-show] {
    opacity: 1;
    max-height: 100px;
    display: block;
}

/* Hide when data-show is false or empty */
.error-message:empty,
.error-message[data-show="false"],
.error-message[data-show=""] {
    display: none !important;
}

/* Only show the error message content when there's actual text */
.error-message[data-show="true"]:not(:empty) {
    display: block;
}

/* Icon removed - now shown inside input field on error */
/* Traditional error messages (non-datastar) start hidden */
.error-message:not([data-show]) {
    opacity: 0;
    max-height: 0;
}

/* Show error message when input is invalid (using sibling selector) */
.form-input:invalid ~ .error-message:not([data-show]),
.form-select:invalid ~ .error-message:not([data-show]),
.form-textarea:invalid ~ .error-message:not([data-show]),
.form-group.has-error .error-message:not([data-show]) { /* Add class for server-side validation */
    opacity: 1;
    max-height: 100px;
    overflow: visible;
    animation: slideDown var(--transition-2) ease-out;
}

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

/* Style invalid inputs with better visual feedback */
.form-input:invalid,
.form-textarea:invalid,
.form-input.is-invalid,
.form-textarea.is-invalid,
.form-input.has-error,
.form-textarea.has-error {
    border-color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.03);
    padding-right: calc(var(--size-4) + var(--size-6)); /* Make room for error icon */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23ef4444' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--size-3) center;
    background-size: 20px 20px;
}

/* Style invalid selects without icon (conflicts with dropdown arrow) */
.form-select:invalid,
.form-select.is-invalid,
.form-select.has-error {
    border-color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.03);
}

.form-input:invalid:focus,
.form-select:invalid:focus,
.form-textarea:invalid:focus,
.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus,
.form-input.has-error:focus,
.form-select.has-error:focus,
.form-textarea.has-error:focus {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
    outline: none;
}

/* Dark mode adjustments for error messages */
[data-theme="dark"] .error-message {
    background: linear-gradient(to right, hsla(0, 80%, 20%, 0.2), transparent);
    border-left-color: var(--danger-color);
}

[data-theme="dark"] .error-message::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ef4444' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'%3E%3C/line%3E%3C/svg%3E");
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end; /* Align buttons to the right */
    gap: var(--size-3);
    margin-top: var(--size-7);
}
/* Button styles are handled by _button.css */

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr; /* Stack grid items */
        gap: var(--size-5);
    }
    .form-actions {
        justify-content: stretch;
        flex-direction: column-reverse; /* Stack buttons */
    }
    .form-actions .button {
        width: 100%;
    }
}