/* =========================================================================
   Daily Goals - app.css
   Single shared stylesheet. Sectioned for readability.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Reset
   ------------------------------------------------------------------------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

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

button {
    font: inherit;
    color: inherit;
    cursor: pointer;
}

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

/* -------------------------------------------------------------------------
   2. Design tokens
   ------------------------------------------------------------------------- */

:root {
    /* Color: warm, readable palette */
    --color-bg: #faf7f2;
    --color-surface: #ffffff;
    --color-surface-alt: #f3ede2;
    --color-text: #2b2622;
    --color-text-muted: #6b5d52;
    --color-primary: #5a7a4f;
    --color-primary-hover: #486340;
    --color-accent: #8a5a3b;
    --color-accent-hover: #6f4730;
    --color-border: #e3dccf;
    --color-border-strong: #c9bfae;
    --color-danger: #a94442;
    --color-success: #4f7a5a;

    /* Typography */
    --font-serif: Georgia, "Iowan Old Style", "Source Serif Pro", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
        sans-serif;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-h1: 2rem;
    --font-size-h2: 1.5rem;
    --font-size-h3: 1.25rem;
    --line-height-base: 1.6;
    --line-height-tight: 1.25;

    /* Spacing scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;

    /* Layout */
    --max-width: 42rem;
    --max-width-wide: 60rem;

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(43, 38, 34, 0.06);
    --shadow-md: 0 4px 12px rgba(43, 38, 34, 0.1);
    --shadow-lg: 0 12px 32px rgba(43, 38, 34, 0.18);

    /* Transitions */
    --transition-fast: 120ms ease;
    --transition-base: 200ms ease;
}

/* -------------------------------------------------------------------------
   3. Base elements
   ------------------------------------------------------------------------- */

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: var(--line-height-tight);
    margin: 0;
    color: var(--color-text);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin: 0;
}

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

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

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
textarea,
select {
    display: block;
    width: 100%;
    margin-top: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(90, 122, 79, 0.15);
}

button {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: background-color var(--transition-fast),
        border-color var(--transition-fast), color var(--transition-fast);
}

button:hover,
button:focus {
    background-color: var(--color-surface-alt);
    border-color: var(--color-text-muted);
}

form {
    margin: 0;
}

/* -------------------------------------------------------------------------
   4. Layout primitives
   ------------------------------------------------------------------------- */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding: var(--space-5) var(--space-4);
}

.container-wide {
    max-width: var(--max-width-wide);
}

.stack > * + * {
    margin-top: var(--space-4);
}

.stack-sm > * + * {
    margin-top: var(--space-2);
}

.stack-lg > * + * {
    margin-top: var(--space-6);
}

.cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.cluster-end {
    justify-content: flex-end;
}

.cluster-between {
    justify-content: space-between;
}

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

/* -------------------------------------------------------------------------
   5. Components
   ------------------------------------------------------------------------- */

.site-header {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-surface);
}

.site-header .site-header-inner {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.btn {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-strong);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-weight: 500;
    text-decoration: none;
    transition: background-color var(--transition-fast),
        border-color var(--transition-fast), color var(--transition-fast);
}

.btn:hover,
.btn:focus {
    background-color: var(--color-surface-alt);
    border-color: var(--color-text-muted);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #ffffff;
}

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

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

.btn-danger:hover,
.btn-danger:focus {
    background-color: var(--color-danger);
    color: #ffffff;
}

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.card-link {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.card-link:hover,
.card-link:focus {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.list-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background-color: rgba(43, 38, 34, 0.45);
}

.modal[hidden] {
    display: none;
}

.modal-content {
    width: 100%;
    max-width: 28rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-5);
}

.error {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
}

.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5) var(--space-4);
}

.auth-card {
    width: 100%;
    max-width: 24rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-6);
}

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

/* -------------------------------------------------------------------------
   6. Utilities
   ------------------------------------------------------------------------- */

.full-width {
    width: 100%;
}

.text-center {
    text-align: center;
}

[hidden] {
    display: none !important;
}

/* -------------------------------------------------------------------------
   7. Page-specific: node tree (text detail)
   -------------------------------------------------------------------------
   The tree DOM is rendered as plain ul/li with buttons and inputs as
   direct children of each li. Cypress assertions rely on this exact
   structure, so we style it via descendant selectors only - no wrapper
   elements added.
*/

.node-tree ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.node-tree > ul {
    border-left: 2px solid var(--color-border);
    padding-left: var(--space-4);
}

.node-tree ul ul {
    border-left: 1px solid var(--color-border);
    margin-left: var(--space-3);
    padding-left: var(--space-4);
}

.node-tree li {
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: var(--space-2);
    padding: 0;
}

.node-tree li > ul {
    flex-shrink: 0;
}

.node-tree li > span {
    flex-shrink: 0;
    font-weight: 500;
    cursor: pointer;
}

.node-tree li > span:hover,
.node-tree li.is-active > span {
    color: var(--color-primary);
}

.node-tree li > button.add-child,
.node-tree li > button.bulk-add-children {
    display: none;
}

.node-tree li.is-active > button.add-child,
.node-tree li.is-active > button.bulk-add-children {
    display: inline-block;
}

.node-tree li > button {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
}

.node-tree li > button.toggle-children {
    padding: var(--space-1) var(--space-2);
    background-color: transparent;
    border-color: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

.node-tree li > button.toggle-children:hover,
.node-tree li > button.toggle-children:focus {
    color: var(--color-text);
    background-color: var(--color-surface-alt);
}

.node-tree li > button.add-child {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.node-tree li > button.add-child:hover,
.node-tree li > button.add-child:focus {
    background-color: var(--color-primary);
    color: #ffffff;
}

.node-tree li > button.bulk-add-children {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.node-tree li > button.bulk-add-children:hover,
.node-tree li > button.bulk-add-children:focus {
    background-color: var(--color-accent);
    color: #ffffff;
}

.node-tree li > input {
    width: auto;
    margin-top: 0;
}

.node-tree li > input.bulk-count {
    max-width: 6rem;
}