/* ===== Design Tokens ===== */
:root {
    --font-primary: 'Inter', 'Segoe UI', Arial, sans-serif;

    --color-accent: #2563eb;
    --color-accent-strong: #1d4ed8;
    --color-accent-soft: #eff6ff;

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;

    --color-bg-page: #f8fafc;
    --color-bg-surface: #ffffff;
    --color-bg-subtle: #f1f5f9;

    --color-border: #e2e8f0;
    --color-error: #dc2626;
    --color-success: #059669;
    --color-warning: #d97706;

    --font-size-base: 1rem;
    --font-size-h1: 2rem;
    --font-size-h2: 1.5rem;
    --font-size-h3: 1.25rem;
    --font-size-h4: 1.125rem;
    --font-size-small: 0.875rem;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 1px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);

    /* Animation durations */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 350ms;

    /* Legacy aliases used by page-specific styles */
    --color-brand: var(--color-accent);
    --color-brand-dark: var(--color-accent-strong);
    --color-bg: var(--color-bg-surface);
    --color-bg-light: var(--color-bg-page);
    --color-bg-light-alt: var(--color-bg-subtle);
    --color-accent-light: var(--color-accent-soft);
    --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.12);
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Base ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    font-size: var(--font-size-base);
    line-height: 1.55;
    margin: 0;
    min-height: 100vh;
    background-color: var(--color-bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    max-width: 100vw;
    overflow-x: hidden;
    padding: 0 var(--space-4);
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: 700;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: 700;
    margin-bottom: var(--space-4);
    letter-spacing: -0.015em;
}

h3 {
    font-size: var(--font-size-h3);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

h4 {
    font-size: var(--font-size-h4);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.small-text {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    color: var(--color-accent-strong);
    text-decoration: underline;
}

:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.35);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ===== Shared surface/card styles ===== */
.page-container,
.partial-container,
.Procedure_Entry-container {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-6);
    max-width: 1200px;
    width: min(92%, 1200px);
    margin: 2rem auto;
    color: var(--color-text);
}

/* ===== Form controls ===== */
.form-control,
.form-select,
.input-group-text {
    border-radius: var(--radius-sm);
    border-color: var(--color-border);
}

.form-control,
.form-select {
    min-height: 2.6rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

/* ===== Shared radio option group ===== */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin-top: 0.85rem;
}

.radio-box {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.625rem 0.875rem;
    flex: 1 1 10.625rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 0.92rem;
    color: var(--color-text);
}

.radio-box input[type="radio"] {
    accent-color: var(--color-accent);
    margin-right: 0.625rem;
    transform: scale(1.1);
}

.radio-box:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

.radio-box.selected {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

/* ===== Buttons ===== */
.btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    border-radius: var(--radius-sm);
    padding: 0.55rem 1.1rem;
    font-weight: 600;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-accent-strong);
    border-color: var(--color-accent-strong);
    box-shadow: 0 3px 10px rgba(37, 99, 235, 0.28);
}

/* ===== Alerts / status ===== */
.alert {
    border-radius: var(--radius-sm);
    border-width: 1px;
    margin-bottom: var(--space-4);
}

.alert-danger {
    border-color: #fecaca;
    background: #fef2f2;
    color: #991b1b;
}

.alert-success {
    border-color: #a7f3d0;
    background: #ecfdf5;
    color: #065f46;
}

/* ===== Legacy lists and procedure cards ===== */
.dual-list-container {
    display: flex;
    gap: var(--space-5);
    justify-content: space-between;
    flex-wrap: wrap;
}

.list {
    flex: 1 1 0;
    min-width: 300px;
    background: var(--color-bg-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.list .section-heading {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 1rem 0;
    padding: 0;
}

.list ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.proc-add,
.selected-item {
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--duration-fast), border-color var(--duration-fast);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-surface);
    text-align: start; /* Logical property for LTR/RTL support */
}

.proc-add:hover {
    background-color: var(--color-accent-soft);
    border-color: var(--color-accent);
}

.proc-add:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.proc-add.none-option {
    border-style: dashed;
    font-style: italic;
    opacity: 0.9;
}

.proc-add.none-option.active-none {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
}

.selected-item {
    position: relative;
    background: var(--color-accent-soft);
    border-color: #bfdbfe;
    margin-block-end: var(--space-3); /* Logical property */
    padding-block-end: 14px; /* Logical property */
}

.selected-item .remove-btn {
    position: absolute;
    inset-block-start: 8px; /* Logical property for top */
    inset-inline-end: 8px; /* Logical property for right */
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--color-error);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: transform var(--duration-fast);
}

.selected-item .remove-btn:hover {
    transform: scale(1.2);
}

.selected-item .remove-btn:focus-visible {
    outline: 2px solid var(--color-error);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ===== Timeline option chips ===== */
.timeline-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-block-start: 10px; /* Logical property */
}

.timeline-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    min-height: 36px;
    border-radius: 999px;
    cursor: pointer;
    font-size: var(--font-size-small);
    font-weight: 600;
    line-height: 1;
    border: 1px solid var(--color-border);
    background: var(--color-bg-page);
    color: var(--color-text-secondary);
    transition: 
        background-color var(--duration-fast) ease,
        border-color var(--duration-fast) ease,
        color var(--duration-fast) ease,
        box-shadow var(--duration-fast) ease;
}

.timeline-btn input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.timeline-btn span {
    white-space: nowrap;
}

.timeline-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
    color: var(--color-text);
}

.timeline-btn.active,
.timeline-btn.selected {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    border-color: #93c5fd;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.timeline-btn:focus-within {
    outline: 2px solid rgba(37, 99, 235, 0.35);
    outline-offset: 2px;
}

/* ===== Procedure entry validation ===== */
.dual-list-container .error-msg {
    flex: 0 0 100%;
    color: #b91c1c;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.dual-list-container .error-msg.form-error {
    font-size: 0.85rem;
    margin: 0 0 0.5rem 0;
}

.timeline-options.has-error {
    border: 1px solid #fca5a5;
    background: #fef2f2;
    border-radius: var(--radius-sm);
    padding: 0.6rem;
}

.timeline-options.has-error .timeline-btn {
    border-color: #fca5a5;
    background: #ffffff;
}

.timeline-options.has-error .timeline-btn.selected {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.18);
}

/* ===== Login ===== */
.login-page {
    min-height: calc(100vh - 140px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.login-header {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-strong) 100%);
    padding: 2rem;
    text-align: center;
}

.login-icon {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    display: block;
}

.login-title,
.login-subtitle {
    text-align: center;
    color: #ffffff;
}

.login-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.login-subtitle {
    font-size: 0.9rem;
    opacity: 0.82;
    margin-bottom: 0;
}

.login-form {
    padding: 2rem;
}

.login-form .form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
}

.login-form .input-group-text {
    background: #f8fafc;
    color: var(--color-text-muted);
}

.btn-login {
    padding: 0.7rem 1.2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* ===== Feedback modal ===== */
.feedback-modal-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.feedback-modal-text {
    color: var(--color-text-secondary);
    max-width: 34ch;
}

.feedback-form-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.feedback-action-btn {
    min-width: 120px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
}

/* ===== Full page spinner ===== */
.fullpage-spinner {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.32);
    backdrop-filter: blur(2px);
    z-index: 9999;
}

.fullpage-spinner.is-visible {
    display: flex;
}

.spinner-content {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    box-shadow: var(--shadow-md);
}

.spinner-content .spinner-border {
    width: 1rem;
    height: 1rem;
    color: var(--color-accent);
}

.spinner-content .spinner-text {
    color: var(--color-text-secondary);
    font-weight: 500;
}

@media (max-width: 768px) {
    main {
        padding: 0 0.75rem;
    }

    .page-container,
    .partial-container,
    .Procedure_Entry-container {
        width: 100%;
        padding: 1.25rem;
        border-radius: var(--radius-md);
    }
}

.is-hidden {
    display: none !important;
}