/* Base layout */
:root {
    --diary-bg: #fdf8ec;
    --diary-paper: #fffdf7;
    --diary-line: #e5ded0;
    --diary-text: #2f2a1f;
    --diary-muted: #8a8273;
    --diary-accent: #f3c26a;
    --diary-accent-strong: #cf8d52;
    --diary-accent-soft: rgba(243, 194, 106, 0.12);
    --diary-accent-tint: rgba(243, 194, 106, 0.15);
    --diary-accent-wash: rgba(243, 194, 106, 0.2);
    --diary-accent-pop: rgba(243, 194, 106, 0.45);
    --diary-accent-strong-soft: rgba(207, 141, 82, 0.12);
    --diary-primary: #2f2a1f;
    --diary-primary-dark: #221d13;
    --diary-header-bg: #7a5b3e;
    --diary-header-bg-dark: #62452f;
    --diary-white: #ffffff;
    --diary-on-primary: var(--diary-white);
    --diary-nav-muted: #6b7280;
    --diary-nav-bg: rgba(255, 253, 247, 0.92);
    --diary-nav-border: var(--diary-shadow-soft);
    --diary-nav-pill-weak: rgba(47, 42, 31, 0.05);
    --diary-bottom-nav-height: 72px;
    --diary-sunday: #d46863;
    --diary-danger: #ba3b33;
    --diary-danger-strong: #8a130d;
    --diary-danger-soft: rgba(138, 19, 13, 0.15);
    --diary-danger-surface: rgba(186, 59, 51, 0.95);
    --diary-schedule-bullet: #bec3cf;
    --diary-schedule-divider: #e2e6ef;
    --diary-paper-translucent: rgba(255, 253, 247, 0.8);
    --diary-header-divider: rgba(255, 255, 255, 0.18);
    --diary-header-highlight: rgba(255, 255, 255, 0.7);
    --diary-header-glass: rgba(255, 255, 255, 0.1);
    --diary-muted-border: rgba(138, 130, 115, 0.5);
    --diary-shadow-strong: rgba(47, 42, 31, 0.2);
    --diary-shadow-soft: rgba(47, 42, 31, 0.08);
    --diary-shadow-lift: rgba(47, 42, 31, 0.12);
    --diary-shadow-up: rgba(47, 42, 31, 0.18);
    --diary-overlay-strong: rgba(47, 42, 31, 0.9);
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--diary-bg);
    font-family: "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--diary-text);
}

.diary-page {
    padding-bottom: 1.5rem;
}

@media (max-width: 640px) {
    .diary-page {
        padding-bottom: 1rem;
    }
}

main {
    flex: 1;
}

/* Site header */
.site-header {
    background: var(--diary-header-bg);
    color: var(--diary-paper);
    border-bottom: 1px solid var(--diary-header-divider);
    box-shadow: 0 10px 30px var(--diary-shadow-strong);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 64px;
}

.site-header__title {
    color: var(--diary-paper);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    font-size: 1.15rem;
}

.site-header__title:focus-visible {
    outline: 2px solid var(--diary-accent);
    outline-offset: 2px;
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-header__account-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--diary-header-highlight);
    color: var(--diary-paper);
    font-weight: 600;
    text-decoration: none;
    padding: 0.35rem 1.2rem;
    transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.site-header__account-btn:hover,
.site-header__account-btn:focus-visible {
    color: var(--diary-accent);
    border-color: var(--diary-accent);
    background: var(--diary-header-glass);
}

@media (max-width: 576px) {
    .site-header__inner {
        min-height: 56px;
    }
    .site-header__title {
        font-size: 1.05rem;
    }
    .site-header__account-btn {
        padding: 0.25rem 0.9rem;
    }
}

/* Diary page */
.diary-page {
    max-width: 640px;
    margin: 0.75rem auto calc(var(--diary-bottom-nav-height) + 1rem);
    background: var(--diary-paper);
    border-radius: 24px;
    padding: 1.5rem 1.25rem 1.5rem;
    box-shadow: 0 10px 30px var(--diary-shadow-soft);
}

.diary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.day-nav-group {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.day-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    width: 34px;
    border-radius: 50%;
    border: 1px solid var(--diary-line);
    background: var(--diary-white);
    color: var(--diary-text);
    text-decoration: none;
    font-size: 1.1rem;
}

.day-label {
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--diary-text);
    text-decoration: none;
}

.day-today {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--diary-line);
    background: var(--diary-white);
    color: var(--diary-text);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.85rem;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.day-today:hover,
.day-today:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--diary-shadow-lift);
    outline: none;
}

/* Tab panels */
.diary-panel {
    display: none;
}

.diary-panel.is-active {
    display: block;
}

/* Bottom navigation */
.diary-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    gap: 0.25rem;
    padding: 0.3rem 0.85rem calc(0.3rem + env(safe-area-inset-bottom));
    background: var(--diary-nav-bg);
    backdrop-filter: blur(14px);
    border-top: 1px solid var(--diary-nav-border);
    box-shadow: 0 -10px 25px var(--diary-shadow-up);
    z-index: 100;
}

.tab-button {
    flex: 1;
    min-width: 0;
    min-height: 48px;
    border: none;
    background: transparent;
    border-radius: 999px;
    padding: 0.4rem 0.5rem;
    font-weight: 600;
    color: var(--diary-nav-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.1rem;
    font-size: 0.78rem;
    line-height: 1.2;
    transform: scale(0.98);
    opacity: 0.9;
    position: relative;
    --tab-accent: var(--diary-primary);
    --tab-accent-weak: var(--diary-nav-pill-weak);
    --tab-press-bg: var(--diary-nav-border);
    transition: background-color 220ms ease, color 220ms ease, transform 220ms ease, opacity 220ms ease;
    overflow: hidden;
}

.tab-button::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: var(--tab-accent-weak);
    transform: scale(0);
    transform-origin: center;
    transition: transform 220ms ease;
    pointer-events: none;
    opacity: 0;
}

.tab-button > * {
    position: relative;
    z-index: 1;
}

.tab-button__icon {
    font-size: 1.5rem;
    line-height: 1;
    opacity: 0.6;
    transition: transform 220ms ease, opacity 220ms ease;
}

.tab-button.is-active {
    color: var(--tab-accent);
    transform: scale(1);
    opacity: 1;
}

.tab-button.is-active::before {
    transform: scale(1);
    opacity: 1;
}

.tab-button.is-active .tab-button__icon {
    transform: translateY(-2px) scale(1.05);
    opacity: 1;
}

.tab-button__label {
    font-size: 0.78rem;
    letter-spacing: 0.03em;
}

.tab-button:focus-visible {
    outline: 2px solid var(--diary-accent);
    outline-offset: 2px;
}

.tab-button:not(.is-active):hover,
.tab-button:not(.is-active):active {
    background: var(--tab-press-bg);
}

.tab-button--tasks.is-active .tab-button__icon {
    text-shadow: 0 1px 0 var(--diary-header-highlight);
}

.tab-button--reflection.is-active .tab-button__icon {
    animation: tab-scribble 220ms ease;
}

@keyframes tab-scribble {
    0% {
        transform: translateY(-2px) scale(1.05) rotate(10deg);
    }
    100% {
        transform: translateY(-2px) scale(1.05) rotate(0deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .tab-button,
    .tab-button__icon {
        transition: none;
    }
    .tab-button--reflection.is-active .tab-button__icon {
        animation: none;
    }
}

/* Priority table */
.priority-table {
    border: 1px solid var(--diary-line);
    border-radius: 18px;
    overflow: hidden;
    background: var(--diary-white);
}

.priority-table__actions {
    display: flex;
    justify-content: flex-end;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--diary-line);
}

.priority-table__actions button[type="submit"] {
    transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, color 0.15s ease-in-out;
}

.priority-table__actions button[type="submit"]:not(:active):not(.htmx-request) {
    background-color: transparent;
    border-color: #6c757d;
    color: #6c757d;
}

.priority-table__head {
    background: var(--diary-accent-wash);
    padding: 0.6rem 1rem;
    color: var(--diary-muted);
}

.priority-table__label {
    letter-spacing: 0.05em;
    font-weight: 600;
}

.task-row {
    padding: 0.6rem 1rem;
    border-top: 1px solid var(--diary-line);
    position: relative;
}

.task-row--done {
    background: var(--diary-shadow-soft);
}

.task-row--done .task-cell,
.task-row--done .status-button,
.task-row--done .priority-button,
.task-row--done .delete-button {
    color: var(--diary-muted);
}

.task-row--done .task-cell--content input {
    color: var(--diary-muted);
}

.task-row--done::after {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 50%;
    border-top: 1px solid var(--diary-muted-border);
    pointer-events: none;
}

.task-row .row {
    --bs-gutter-x: 0.5rem;
    --bs-gutter-y: 0.25rem;
}

@media (min-width: 576px) {
    .task-row .row {
        --bs-gutter-x: 0.75rem;
        --bs-gutter-y: 0.4rem;
    }
}

.task-cell {
    display: flex;
    align-items: center;
}

.task-cell--status,
.task-cell--priority {
    text-align: center;
    justify-content: center;
}

.task-cell--delete {
    justify-content: center;
    align-items: center;
}

@media (min-width: 576px) {
    .task-cell--delete {
        justify-content: flex-end;
    }
}

.status-button,
.priority-button {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: transparent;
    font-size: 1.2rem;
    line-height: 1;
}

.priority-button {
    font-weight: 700;
    font-size: 0.85rem;
}

.task-cell--content input {
    width: 100%;
    border: none;
    border-bottom: 1px solid var(--diary-line);
    padding: 0.4rem 0;
    font-size: 1rem;
    background: transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.task-cell--content input:focus {
    outline: none;
    border-color: var(--diary-text);
}

.delete-button {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--diary-danger);
    font-weight: 600;
    font-size: 1.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding-bottom: 2px;
}

.priority-legend {
    margin: 1rem 0 0;
    padding: 0.55rem 0.5rem 0.55rem 0.5rem;
    border: none;
    border-radius: 12px;
    background: var(--diary-paper-translucent);
    font-size: 0.78rem;
    color: var(--diary-muted);
    width: 100%;
}

.priority-legend[hidden] {
    display: none !important;
}

.priority-legend__line {
    margin: 0 0 0.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.priority-legend__line:last-child {
    margin-bottom: 0;
}

.priority-legend__label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--diary-muted);
}

@media (max-width: 640px) {
    .priority-legend {
        position: static;
        transform: none;
        bottom: auto;
        margin: 0.85rem 0 0;
        width: 100%;
        box-shadow: none;
    }
}

/* Schedule */
.schedule-board {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    background: var(--diary-white);
    border: 1px solid var(--diary-line);
    border-radius: 18px;
    padding: 1rem 1.25rem;
}

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

.schedule-label {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--diary-muted);
}

.schedule-items {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.schedule-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.schedule-bullet {
    display: inline-flex;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--diary-schedule-bullet);
}

.schedule-item input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.2rem 0;
}

.schedule-item input:focus {
    outline: none;
}

.schedule-divider {
    height: 1px;
    background: var(--diary-schedule-divider);
}

/* Reflection */
.reflection-form {
    position: relative;
}

.reflection-surface {
    --reflection-line-height: 32px;
    min-height: calc(var(--reflection-line-height) * 20 + 2rem);
    max-height: calc(var(--reflection-line-height) * 20 + 2rem);
    padding: 1rem 0.75rem 1rem;
    border: none;
    border-radius: 18px;
    background-color: var(--diary-paper);
    background-image: repeating-linear-gradient(
        to bottom,
        transparent 0,
        transparent calc(var(--reflection-line-height) - 1px),
        var(--diary-line) calc(var(--reflection-line-height) - 1px),
        var(--diary-line) var(--reflection-line-height)
    );
    background-origin: content-box;
    background-clip: content-box;
    background-attachment: local;
    line-height: var(--reflection-line-height);
    font-size: 1rem;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-y: auto;
}

.reflection-surface:focus {
    outline: none;
    box-shadow: none;
}

.reflection-surface:empty::before {
    content: attr(data-placeholder);
    color: var(--diary-muted);
}

/* Autosave indicator */
.autosave-indicator {
    position: fixed;
    bottom: calc(5.5rem + env(safe-area-inset-bottom));
    right: 1.5rem;
    background: var(--diary-overlay-strong);
    color: var(--diary-on-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 110;
}

.autosave-indicator.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.autosave-indicator.is-error {
    background: var(--diary-danger-surface);
}

/* Calendar */
.calendar-page {
    max-width: 640px;
    margin: 0 auto;
    background: var(--diary-paper);
    padding: 1.25rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--diary-shadow-soft);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.calendar-nav {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--diary-line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--diary-text);
    text-decoration: none;
    font-size: 1.1rem;
    background: var(--diary-white);
}

.calendar-nav-group {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.calendar-month {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--diary-text);
}

.calendar-today {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--diary-line);
    background: var(--diary-white);
    color: var(--diary-text);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.calendar-today:hover,
.calendar-today:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--diary-shadow-lift);
    outline: none;
}

.calendar-weekdays,
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.2rem;
}

.calendar-weekdays span {
    text-align: center;
    font-weight: 600;
    color: var(--diary-muted);
    padding: 0.4rem 0;
}

.calendar-weekdays span:first-child {
    color: var(--diary-sunday);
}

.calendar-day {
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--diary-text);
    background: var(--diary-white);
    border: 1px solid transparent;
}

.calendar-day.is-sunday:not(.is-today) {
    color: var(--diary-sunday);
}

.calendar-day--empty {
    background: transparent;
    border-color: transparent;
    pointer-events: none;
}

.calendar-day.is-selected {
    border-color: var(--diary-accent);
    background: var(--diary-accent-tint);
}

.calendar-day.is-today {
    border-color: var(--diary-accent);
    background: var(--diary-accent);
    color: var(--diary-on-primary);
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 6px 16px var(--diary-accent-pop);
}

.calendar-day-summary {
    margin-top: 1.5rem;
}

.calendar-summary-card {
    background: var(--diary-paper);
    border-radius: 20px;
    border: 1px solid var(--diary-line);
    box-shadow: 0 10px 30px var(--diary-shadow-soft);
    padding: 1.25rem;
}

.calendar-summary-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.calendar-summary-card__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: var(--diary-muted);
    margin-bottom: 0.35rem;
}

.calendar-summary-card__date {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.calendar-summary-card__link {
    font-weight: 600;
    color: var(--diary-primary);
    text-decoration: none;
}

.calendar-summary-card__link:hover,
.calendar-summary-card__link:focus-visible {
    color: var(--diary-accent-strong);
    text-decoration: underline;
}

.calendar-summary-card__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.calendar-summary-card__stat {
    display: flex;
    gap: 0.6rem;
    padding: 0.75rem;
    border-radius: 16px;
    background: var(--diary-accent-soft);
}

.calendar-summary-card__icon {
    font-size: 1.3rem;
}

.calendar-summary-card__stat-value {
    font-weight: 700;
    margin: 0;
}

.calendar-summary-card__stat-label,
.calendar-summary-card__stat-meta {
    margin: 0;
    font-size: 0.85rem;
    color: var(--diary-muted);
}

.calendar-summary-card__reflection {
    border-top: 1px dashed var(--diary-line);
    padding-top: 1rem;
}

.calendar-summary-card__reflection-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--diary-muted);
    margin-bottom: 0.4rem;
}

.calendar-summary-card__reflection-text {
    margin: 0;
    white-space: pre-line;
}

.calendar-summary-placeholder {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--diary-muted);
    border: 1px dashed var(--diary-line);
    border-radius: 18px;
    background: var(--diary-paper-translucent);
}

@media (max-width: 576px) {
    .calendar-summary-card__header {
        flex-direction: column;
        align-items: flex-start;
    }
    .diary-page {
        border-radius: 32px;
        margin-top: 0.75rem;
        padding: 1rem 0.85rem 1rem;
    }
}

.account-card__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: var(--diary-muted);
    margin-bottom: 0.6rem;
}

.account-card__title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.account-card__description {
    color: var(--diary-muted);
    margin-bottom: 1.5rem;
}

.account-card__actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-diary-primary {
    background: var(--diary-primary);
    border: 1px solid var(--diary-primary);
    color: var(--diary-on-primary);
    font-weight: 600;
}

.btn-diary-primary:hover,
.btn-diary-primary:focus {
    background: var(--diary-primary-dark);
    border-color: var(--diary-primary-dark);
    color: var(--diary-on-primary);
}

.btn-diary-return {
    background: var(--diary-header-bg);
    border-color: var(--diary-header-bg);
    color: var(--diary-paper);
}

.btn-diary-return:hover,
.btn-diary-return:focus {
    background: var(--diary-header-bg-dark);
    border-color: var(--diary-header-bg-dark);
    color: var(--diary-paper);
}

.btn-diary-outline {
    border: 1px solid var(--diary-accent-strong);
    color: var(--diary-accent-strong);
    font-weight: 600;
}

.btn-diary-outline:hover,
.btn-diary-outline:focus {
    background: var(--diary-accent-strong-soft);
    color: var(--diary-accent-strong);
}

.btn-diary-logout {
    border-color: var(--diary-danger);
    color: var(--diary-danger);
}

.btn-diary-logout:hover,
.btn-diary-logout:focus {
    background: var(--diary-danger-soft);
    color: var(--diary-danger-strong);
    border-color: var(--diary-danger-strong);
}

/* Password validation rules */
.password-rules-list {
    margin-top: 0.5rem;
    padding-left: 0;
}

.password-rule-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.password-rule-item:last-child {
    margin-bottom: 0;
}

.password-rule-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.2rem;
    height: 1.2rem;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: color 0.2s ease;
}

.password-rule-text {
    color: var(--diary-muted);
    transition: color 0.2s ease;
}

.password-rule-item.is-invalid .password-rule-icon {
    color: #dc3545;
}

.password-rule-item.is-invalid .password-rule-text {
    color: var(--diary-muted);
}

.password-rule-item.is-valid .password-rule-icon {
    color: #28a745;
}

.password-rule-item.is-valid .password-rule-text {
    color: #28a745;
}