/**
 * KabaTrak Base Styles
 *
 * Shared foundations:
 * - reset and document defaults
 * - global header and page frame
 * - reusable card/container surface
 * - form controls, validation, and action buttons
 */

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

html {
    color-scheme: light;
}

body {
    font-family: var(--font-family-sans);
    background-color: var(--color-background-page);
    color: var(--color-text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: var(--line-height-normal);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Global Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-200);
    width: 100%;
    padding: var(--space-100) var(--space-250);
    min-height: auto;
    background: var(--gradient-surface-header);
    border-bottom: var(--border-width-hairline) solid var(--color-border-header);
    backdrop-filter: blur(8px);
}

.header-left {
    display: flex;
    align-items: center;
}

.header-left {
    gap: var(--space-100);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo img {
    width: var(--size-logo-md);
    height: var(--size-logo-md);
    object-fit: contain;
}

.app-title {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-heading);
    line-height: var(--line-height-tight);
    letter-spacing: 0.02em;
}

.wordmark-kaba {
    color: var(--color-brand-900);
}

.wordmark-trak {
    color: var(--color-brand-400);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-050);
    padding: var(--space-050) var(--space-150);
    border-radius: var(--radius-full);
    border: var(--border-width-thin) solid var(--color-border-pill);
    background-color: var(--color-background-pill);
    color: var(--color-text-link);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    transition: opacity var(--motion-duration-base) var(--motion-ease-standard), transform var(--motion-duration-base) var(--motion-ease-standard), box-shadow var(--motion-duration-base) var(--motion-ease-standard);
}

.nav-link:hover {
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: var(--shadow-surface-float-sm);
}

.nav-link:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

/* Shared Page Frame */
.main-content {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    width: 100%;
    padding: var(--space-300);
    position: relative;
}

/* Surface Card */
.container {
    position: relative;
    width: 100%;
    max-width: var(--layout-card-sm);
    display: none;
    overflow: hidden;
    background: var(--gradient-surface-card);
    border: var(--border-width-thin) solid var(--color-border-card);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-surface-card);
    padding: var(--space-350) var(--space-350) var(--space-400);
}

.container.active {
    display: block;
}

.container::before,
.container::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.container::before {
    top: -40px;
    right: -60px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, var(--glow-brand-strong), transparent 65%);
}

.container::after {
    bottom: -60px;
    left: -40px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, var(--glow-brand-soft), transparent 70%);
}

/* Shared Type */
.title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-brand);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
}

.subtitle {
    margin-bottom: var(--space-350);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    line-height: var(--line-height-normal);
}

/* Shared Form Layout */
.input-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-250);
}

.input-form.compact {
    gap: var(--space-150);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-200);
}

.input-form.compact .form-group {
    gap: var(--space-050);
}

fieldset.form-group,
fieldset.form-section {
    border: 0;
    padding: 0;
    margin: 0;
    min-inline-size: 0;
}

fieldset.form-group > legend.label-sub,
fieldset.form-section > legend.label-sub {
    padding: 0;
}

fieldset.form-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-150);
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-150);
}

.label-sub,
.form-label {
    color: var(--color-text-secondary);
}

.label-sub {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-050);
}

.form-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-normal);
    margin-bottom: 3px;
}

.input-form.compact .form-label {
    margin-bottom: var(--space-025);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper.has-toggle .form-input {
    padding-right: var(--space-550);
}

.input-icon {
    position: absolute;
    left: var(--space-200);
    width: var(--size-icon-lg);
    height: var(--size-icon-lg);
    color: var(--color-icon-default);
    pointer-events: none;
    /* Lift above the searchable-select combobox input background so the
       icon stays visible when a <select data-searchable-select> sibling
       is enhanced into a .ks-combo. */
    z-index: 1;
}

.form-input {
    width: 100%;
    height: var(--size-field-md);
    padding: var(--space-175) var(--space-200) var(--space-175) var(--space-550);
    border: var(--border-width-thin) solid var(--color-border-input-default);
    border-radius: var(--radius-sm);
    background-color: var(--color-background-page);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    transition: border-color var(--motion-duration-base) var(--motion-ease-standard), box-shadow var(--motion-duration-base) var(--motion-ease-standard), background-color var(--motion-duration-base) var(--motion-ease-standard);
}

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

.form-input:focus,
.form-input:focus-visible {
    outline: none;
    border-color: var(--color-border-input-focus);
    border-width: var(--border-width-medium);
    box-shadow: var(--shadow-focus);
}

input[type="date"] {
    padding: var(--space-100) var(--space-200);
}

.input-wrapper > .input-icon + input[type="date"].form-input {
    padding-left: var(--space-550);
}

select.form-input {
    padding-left: var(--space-550);
    padding-right: 40px;
    appearance: none;
    background-image: url("../assets/icons/dropdown.svg");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: var(--size-icon-xs);
}

select.form-input.no-left-icon,
input.form-input.no-left-icon {
    padding-left: var(--space-175);
}

select.form-input option {
    font-size: var(--font-size-sm);
    line-height: 2;
    padding: var(--space-200) var(--space-225);
}

select.form-input.select-with-icon {
    background-image: url("../assets/icons/barangay.svg"), url("../assets/icons/dropdown.svg");
    background-repeat: no-repeat, no-repeat;
    background-position: left var(--space-200) center, right 14px center;
    background-size: 20px 20px, var(--size-icon-xs);
    color: var(--color-icon-default);
}

.password-toggle {
    position: absolute;
    right: var(--space-175);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--size-icon-xl);
    height: var(--size-icon-xl);
    padding: 0;
    border: 0;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-icon-default);
}

.password-toggle img {
    width: var(--size-icon-md);
    height: var(--size-icon-md);
}

.password-toggle .icon-show {
    display: none;
}

.password-toggle.is-visible {
    color: var(--color-icon-active);
}

.password-toggle.is-visible .icon-show {
    display: block;
}

.password-toggle.is-visible .icon-hide {
    display: none;
}

.password-toggle:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.is-hidden {
    display: none;
}

/* Feedback and Validation */
.form-message {
    display: flex;
    align-items: flex-start;
    gap: var(--space-125);
    margin-bottom: var(--space-200);
    padding: var(--space-175) var(--space-200);
    border: var(--border-width-thin) solid transparent;
    border-radius: var(--radius-md);
    background-color: var(--color-feedback-surface);
    box-shadow: var(--shadow-elevated);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    line-height: var(--line-height-normal);
    animation: formMessageIn var(--motion-duration-fast) var(--motion-ease-emphasized);
}

.form-message .icon {
    font-size: var(--size-icon-xs);
    line-height: 1;
    margin-top: var(--space-025);
}

.form-message .text {
    flex: 1;
}

.form-message strong {
    font-weight: var(--font-weight-semibold);
}

.form-message.success {
    background-color: var(--color-feedback-success-bg);
    border-color: var(--color-feedback-success-border);
    color: var(--color-feedback-success-text);
}

.form-message.error {
    background-color: var(--color-feedback-error-bg);
    border-color: var(--color-feedback-error-border);
    color: var(--color-feedback-error-text);
}

.form-message.warning {
    background-color: var(--color-feedback-warning-bg);
    border-color: var(--color-feedback-warning-border);
    color: var(--color-feedback-warning-text);
}

.form-message.info {
    background-color: var(--color-feedback-info-bg);
    border-color: var(--color-feedback-info-border);
    color: var(--color-feedback-info-text);
}

.help-text {
    margin-top: var(--space-050);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

.help-text.error {
    color: var(--color-feedback-error-text);
}

.password-meter {
    width: 100%;
    height: var(--space-075);
    margin-top: var(--space-075);
    overflow: hidden;
    border-radius: var(--radius-full);
    background-color: var(--color-border-default);
}

.password-meter__bar {
    width: 0%;
    height: 100%;
    background-color: var(--color-status-error);
    transition: width var(--motion-duration-base) var(--motion-ease-standard), background-color var(--motion-duration-base) var(--motion-ease-standard);
}

.password-meter__bar.is-fair {
    background-color: var(--color-status-warning);
}

.password-meter__bar.is-good {
    background-color: var(--color-icon-pending-strong);
}

.password-meter__bar.is-strong {
    background-color: var(--color-status-success);
}

.password-strength.is-weak {
    color: var(--color-feedback-error-text);
}

.password-strength.is-fair {
    color: var(--color-feedback-warning-text);
}

.password-strength.is-good {
    color: var(--color-icon-pending-strong);
}

.password-strength.is-strong {
    color: var(--color-feedback-success-text);
}

.input-error {
    border-color: var(--color-border-input-error);
    background-color: var(--input-error-bg);
}

.input-error:focus,
.input-error:focus-visible {
    border-color: var(--color-border-input-error-focus);
}

/* Checkbox */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-100);
    margin-left: var(--space-100);
    margin-bottom: var(--space-150);
}

.checkbox {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--color-text-link);
}

.checkbox.input-error {
    outline: var(--border-width-thick) solid var(--color-border-input-error);
    outline-offset: var(--space-025);
    border-radius: var(--space-050);
}

.checkbox-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    user-select: none;
}

/* Buttons */
.form-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: var(--space-125);
    width: 100%;
    margin-top: var(--space-100);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-125);
    min-height: var(--size-control-compact);
    padding: var(--space-100) var(--space-200);
    border-radius: var(--radius-full);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-sm);
    line-height: 17px;
    text-align: center;
    transition: background-color var(--motion-duration-base) var(--motion-ease-standard), border-color var(--motion-duration-base) var(--motion-ease-standard), color var(--motion-duration-base) var(--motion-ease-standard), opacity var(--motion-duration-base) var(--motion-ease-standard), transform var(--motion-duration-base) var(--motion-ease-standard), box-shadow var(--motion-duration-base) var(--motion-ease-standard);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn-outline {
    border: var(--border-width-thin) solid var(--color-text-link);
    background-color: var(--color-background-surface);
    color: var(--color-text-link);
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.05em;
}

.btn-outline:hover {
    background-color: var(--color-background-subtle);
    transform: translateY(-1px);
    box-shadow: var(--shadow-surface-float-sm);
}

.btn-primary {
    border: 0;
    background: var(--color-text-link);
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.1em;
}

.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: var(--shadow-surface-float-md);
}

.btn-primary:active {
    opacity: 0.85;
}

.btn-danger {
    border: var(--border-width-thin) solid var(--color-red-300);
    background-color: var(--color-red-100);
    color: var(--color-red-900);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
}

.btn-danger:hover {
    background-color: var(--color-red-150);
    border-color: var(--color-red-400);
    transform: translateY(-1px);
    box-shadow: var(--shadow-surface-float-sm);
}

/* Animations */
@keyframes formMessageIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Shared action-button progress state. The original label remains visible so
 * users always know which action is being processed. */
.is-action-loading {
    pointer-events: none !important;
    cursor: wait !important;
    opacity: 0.88;
}

.kabatrak-action-spinner {
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-right: 0.5em;
    flex: 0 0 auto;
    vertical-align: -0.14em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: kabatrak-action-spin 700ms linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .kabatrak-action-spinner {
        animation: none;
    }
}

/* Shared Responsive Adjustments */
@media (max-width: 480px) {
    .header {
        padding: var(--space-100) var(--space-200);
    }

    .header-left {
        gap: 7px;
    }

    .logo img {
        width: 50px;
        height: 50px;
    }

    .nav-link {
        padding: var(--space-050) 13px;
        font-size: var(--font-size-xs);
    }

    .main-content {
        padding: var(--space-250);
    }

    .container {
        padding: var(--space-250);
        border-radius: var(--radius-lg);
    }

    .title {
        font-size: var(--font-size-3xl);
    }

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

    .btn {
        width: auto;
        white-space: nowrap;
    }
}