/* Forms & Buttons — ПравоАгент */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: inherit;
    line-height: 1.4;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
    color: white;
}

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

.btn:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-text-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: var(--color-bg-hover);
    color: var(--color-text);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: var(--color-accent);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.btn-warning {
    background: var(--color-warning);
    color: #1a1a2e;
}

.btn-warning:hover {
    background: #d97706;
}

/* Button sizes */
.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
}

/* Button icon only */
.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon.btn-sm {
    width: 24px;
    height: 24px;
}

.btn-icon.btn-lg {
    width: 40px;
    height: 40px;
}

/* Button group */
.btn-group {
    display: inline-flex;
    gap: 0;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn-group .btn + .btn {
    margin-left: -1px;
}

/* Button with loader */
.btn .spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* Form groups */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.form-group-inline {
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.form-error {
    font-size: 0.75rem;
    color: var(--color-danger);
    margin-top: 2px;
}

/* Inputs */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-family: inherit;
    line-height: 1.5;
    transition: all var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(140, 38, 234, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* Input sizes */
.form-input-sm,
.form-select-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
}

.form-input-lg,
.form-select-lg {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
}

/* Textarea */
.form-textarea {
    min-height: 80px;
    resize: vertical;
}

.form-textarea-monospace {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

/* Select */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 12px;
    padding-right: 32px;
}

.form-select select option {
    background: var(--color-bg);
    color: var(--color-text);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    background: var(--color-bg);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-fast);
    position: relative;
}

.form-radio input[type="radio"] {
    border-radius: 50%;
}

.form-checkbox input[type="checkbox"]:checked,
.form-radio input[type="radio"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.form-checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-radio input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
}

.form-checkbox input[type="checkbox"]:focus-visible,
.form-radio input[type="radio"]:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(140, 38, 234, 0.15);
}

/* Switch / Toggle */
.form-switch {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.form-switch input[type="checkbox"] {
    appearance: none;
    width: 36px;
    height: 20px;
    border-radius: 10px;
    background: var(--color-bg-hover);
    border: 1px solid var(--color-border);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-fast);
    position: relative;
}

.form-switch input[type="checkbox"]:checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.form-switch input[type="checkbox"]::after {
    content: '';
    position: absolute;
    left: 2px;
    top: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    transition: transform var(--transition-fast);
}

.form-switch input[type="checkbox"]:checked::after {
    transform: translateX(16px);
}

/* Input group (icon + input) */
.form-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input-group .form-input {
    padding-left: 36px;
}

.form-input-group .form-input-icon {
    position: absolute;
    left: 10px;
    color: var(--color-text-muted);
    font-size: 14px;
    pointer-events: none;
}

.form-input-group .form-input-right {
    position: absolute;
    right: 8px;
}

/* Inline form */
.form-inline {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.form-inline .form-group {
    margin-bottom: 0;
}

/* Form actions row */
.form-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.form-actions-right {
    justify-content: flex-end;
}

.form-actions-between {
    justify-content: space-between;
}

/* Fieldset */
.form-fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-fieldset legend {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    padding: 0 var(--space-xs);
}