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

:root {
    --black: #1a1a1a;
    --white: #fff;
    --gray-900: #2d2d2d;
    --gray-600: #6b6b6b;
    --gray-400: #999;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --border: 1px solid var(--gray-200);
    --radius: 6px;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    background: var(--gray-100);
    color: var(--black);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    padding: 1.25rem 0;
    margin-bottom: 0.5rem;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.logo {
    font-style: italic;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--black);
    text-decoration: none;
    letter-spacing: -0.01em;
}

header nav {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

header nav a {
    font-size: 0.8125rem;
    color: var(--gray-400);
    text-decoration: none;
}

header nav a:hover {
    color: var(--gray-600);
}

header nav a.active {
    color: var(--black);
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.view-filter {
    font-size: 0.8125rem;
    color: var(--gray-400);
}

.view-filter-link {
    color: var(--gray-400);
    text-decoration: none;
}

.view-filter-link:hover {
    color: var(--gray-600);
}

.view-filter-link.active {
    color: var(--black);
}

.date {
    font-size: 0.8125rem;
    color: var(--gray-400);
}

.header-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.75rem;
}

.header-actions a {
    font-size: 0.8125rem;
    color: var(--gray-600);
    text-decoration: none;
}

.header-actions a:hover {
    color: var(--black);
}

@media (max-width: 480px) {
    .date {
        display: none;
    }
}

/* Main */
main {
    flex: 1;
}

/* Entry cards */
.entry-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.entry {
    background: var(--white);
    padding: 0.875rem 1rem;
    border: var(--border);
    border-radius: var(--radius);
    margin-bottom: 0.375rem;
    transition: border-color 0.15s ease;
}

.entry:hover {
    border-color: var(--gray-400);
}

.entry.unavailable {
    opacity: 0.45;
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.entry-title {
    font-size: 0.9375rem;
    font-weight: 500;
    min-width: 0;
    flex: 1;
}

.entry-title a {
    color: var(--black);
    text-decoration: none;
}

.entry-title a:hover {
    text-decoration: underline;
}

.entry-description {
    font-size: 0.8125rem;
    color: var(--gray-600);
    margin-top: 0.125rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}

.entry-meta {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

.entry-actions {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8125rem;
    flex-shrink: 0;
    margin-left: 1rem;
}

.entry-actions a,
.entry-actions button {
    color: var(--gray-400);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    padding: 0;
    transition: color 0.15s ease;
}

.entry-actions a:hover,
.entry-actions button:hover {
    color: var(--black);
}

/* Forms */
.form-page {
}

.form-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-row {
    display: flex;
    gap: 0.75rem;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 0.25rem;
}

button.link-button.delete-button {
    margin-left: auto;
    color: #c0392b;
}

button.link-button.delete-button:hover {
    color: #a93226;
}

label {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--gray-600);
}

input,
textarea,
select {
    padding: 0.5rem 0.625rem;
    border: var(--border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--white);
    color: var(--black);
    transition: border-color 0.15s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--gray-400);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

textarea {
    resize: vertical;
    min-height: 4rem;
}

.error-message:empty {
    display: none;
}

.error-message {
    color: #c0392b;
    font-size: 0.8125rem;
}

.char-count {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-align: right;
    margin-top: 0.25rem;
}

.char-count.near-limit {
    color: #c0392b;
}

button[type="submit"]:not(.link-button) {
    padding: 0.5rem 1.25rem;
    background: var(--black);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-family: inherit;
    align-self: flex-start;
    transition: background 0.15s ease;
}

button[type="submit"]:not(.link-button):hover {
    background: var(--gray-900);
}

button.link-button {
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    padding: 0;
    text-decoration: none;
}

button.link-button:hover {
    color: var(--black);
}

.page-heading {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.section-heading {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.join-form {
    margin-bottom: 1.5rem;
}

.inline-form {
    flex-direction: row;
    gap: 0.5rem;
}

.inline-form input {
    flex: 1;
}

.login-page {
    max-width: 280px;
    margin: 3rem auto;
}

/* Empty state */
.empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--gray-400);
    font-size: 0.9375rem;
}

/* Footer */
footer {
    padding: 1.25rem 0;
    margin-top: 2rem;
    display: flex;
    gap: 1.5rem;
    font-size: 0.8125rem;
}

footer a,
footer .link-button {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.15s ease;
}

footer a:hover,
footer .link-button:hover {
    color: var(--gray-600);
}

/* Collection pages */
.collection-header {
    margin-bottom: 2rem;
}

.collection-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.invite-box {
    margin-bottom: 1rem;
    padding: 1rem;
    border: var(--border);
}

.invite-code {
    background: var(--gray-100);
    padding: 0.25rem 0.5rem;
}

.invite-actions {
    display: inline;
    margin-left: 0.5rem;
}

.leave-form {
    margin-top: 1rem;
}

.back-link {
    margin-top: 2rem;
}

/* htmx loading states */
.htmx-request {
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.htmx-swapping {
    opacity: 0.5;
}