/* css/components/forms.css - Form controls, inputs, selects, toggles, OTP boxes */

/* ==========================================================================
   FORM GROUPS & LABELS
   ========================================================================== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1.125rem;
    position: relative;
}

.form-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-label .required {
    color: var(--color-error);
    margin-left: 0.2rem;
}

.form-label-hint {
    font-size: var(--text-xs);
    font-weight: 400;
    color: var(--text-tertiary);
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* ==========================================================================
   INPUTS, SELECTS, TEXTAREAS
   ========================================================================== */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    background-color: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--trans-fast), box-shadow var(--trans-fast), background-color var(--trans-fast);
}

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

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

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

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--surface-active);
    color: var(--text-tertiary);
    cursor: not-allowed;
}

.form-input-sm,
.form-select-sm {
    padding: 0.4rem 0.65rem;
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
}

.form-textarea {
    min-height: 90px;
    resize: vertical;
    line-height: 1.5;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px;
    padding-right: 2.25rem;
}

/* ==========================================================================
   INPUT GROUPS (PREFIX / SUFFIX / SEARCH)
   ========================================================================== */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.input-prefix,
.input-suffix {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    pointer-events: none;
    z-index: 2;
}

.input-prefix {
    left: 0.875rem;
}

.input-suffix {
    right: 0.875rem;
}

.input-group .form-input.has-prefix {
    padding-left: 2.5rem;
}

.input-group .form-input.has-suffix {
    padding-right: 2.5rem;
}

.input-prefix-addon,
.input-suffix-addon {
    padding: 0.625rem 0.875rem;
    font-size: var(--text-sm);
    font-weight: 600;
    background-color: var(--surface-active);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.input-prefix-addon {
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-suffix-addon {
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .form-input.with-addon-prefix {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group .form-input.with-addon-suffix {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* Search Bar */
.search-bar {
    position: relative;
    width: 100%;
}

.search-bar svg {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-bar input {
    width: 100%;
    padding: 0.625rem 0.875rem 0.625rem 2.5rem;
    font-size: var(--text-sm);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background-color: var(--surface-card);
    color: var(--text-primary);
    outline: none;
    transition: all var(--trans-fast);
}

.search-bar input:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

/* ==========================================================================
   OTP INPUT BOXES (6 BOXES)
   ========================================================================== */
.otp-container {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.otp-box {
    width: 48px;
    height: 54px;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-md);
    background-color: var(--surface-card);
    color: var(--text-primary);
    font-family: var(--font-mono);
    outline: none;
    transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

.otp-box:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.otp-box.filled {
    border-color: var(--color-primary-500);
    background-color: var(--color-primary-subtle);
}

/* ==========================================================================
   FILE UPLOAD ZONE
   ========================================================================== */
.file-upload-zone {
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    background-color: var(--surface-hover);
    cursor: pointer;
    transition: all var(--trans-fast);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.file-upload-zone:hover,
.file-upload-zone.dragover {
    border-color: var(--color-primary-500);
    background-color: var(--color-primary-subtle);
}

.file-upload-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--surface-card);
    color: var(--color-primary-500);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.file-upload-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.file-upload-desc {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.file-upload-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* ==========================================================================
   CHECKBOX & TOGGLE SWITCH
   ========================================================================== */
.form-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    user-select: none;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.form-checkbox {
    width: 18px;
    height: 18px;
    border-radius: var(--radius-xs);
    border: 1.5px solid var(--border-medium);
    appearance: none;
    outline: none;
    background-color: var(--surface-card);
    cursor: pointer;
    position: relative;
    transition: all var(--trans-fast);
    flex-shrink: 0;
}

.form-checkbox:checked {
    background-color: var(--color-primary-500);
    border-color: var(--color-primary-500);
}

.form-checkbox:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-toggle-label {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    width: 100%;
}

.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: var(--border-medium);
    border-radius: var(--radius-full);
    transition: background-color var(--trans-fast);
    flex-shrink: 0;
}

.toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: #FFFFFF;
    border-radius: 50%;
    transition: transform var(--trans-bounce);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-input:checked + .toggle-switch {
    background-color: var(--color-primary-500);
}

.toggle-input:checked + .toggle-switch .toggle-slider {
    transform: translateX(20px);
}

/* ==========================================================================
   MOBILE RESPONSIVENESS & FORM CONTROLS ALIGNMENT
   ========================================================================== */
@media (max-width: 640px) {
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px !important; /* Prevents auto-zoom on iOS */
        padding: 0.65rem 0.75rem;
    }

    .form-group {
        margin-bottom: 0.95rem;
    }

    .input-prefix-addon,
    .input-suffix-addon {
        font-size: 0.85rem;
        padding: 0.65rem 0.75rem;
    }

    .search-bar input {
        font-size: 16px !important;
        padding: 0.55rem 0.75rem 0.55rem 2.25rem;
    }

    .search-bar svg {
        left: 0.75rem;
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 380px) {
    .otp-container {
        gap: 0.35rem;
    }

    .otp-box {
        width: 40px;
        height: 48px;
        font-size: 1.25rem;
    }
}