/* ============================================================
   THEME: CSS Custom Properties
   ============================================================ */

:root {
    /* Scene */
    --sky-top:        #5BA3D9;
    --sky:            #87CEEB;
    --water:          #4A90D9;
    --water-deep:     #2E6BB0;
    --sun:            #FFD700;
    --sun-glow:       #FFF4B0;
    --cloud:          #FFFFFF;
    --cloud-shadow:   #D0D8E0;
    --bird:           #2C2C2C;

    /* UI */
    --nav-bg:         #2C3E50;
    --nav-text:       #C0C8D0;
    --nav-active:     #4A90D9;
    --nav-hover:      #3A5068;
    --content-bg:     #F0F4F8;
    --text:           #1B2838;
    --text-muted:     #5A6A7A;
    --footer-bg:      #2C3E50;
    --footer-text:    #A0B0C0;
    --border:         #A8B8C8;

    /* Semantic */
    --color-error:      #C43A3A;
    --color-success:    #2E6E2E;
    --color-on-primary: #FFFFFF;
}

[data-theme="dark"] {
    /* Scene */
    --sky-top:        #0A1220;
    --sky:            #0F1B2D;
    --water:          #1E3A5F;
    --water-deep:     #0F2440;
    --sun:            #E8E8C8;
    --sun-glow:       #2A2A4A;
    --cloud:          #2A3A4A;
    --cloud-shadow:   #1A2A3A;
    --bird:           #4A5A6A;

    /* UI */
    --nav-bg:         #1A2530;
    --nav-text:       #8090A0;
    --nav-active:     #5A9AE9;
    --nav-hover:      #253545;
    --content-bg:     #141E2A;
    --text:           #C0C8D0;
    --text-muted:     #8C9CAC;
    --footer-bg:      #1A2530;
    --footer-text:    #8090A0;
    --border:         #3E5268;

    /* Semantic */
    --color-error:      #E07070;
    --color-success:    #70C070;
    --color-on-primary: #FFFFFF;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html, body {
    height: 100%;
}

body {
    font-family: 'Courier New', Courier, monospace;
    font-size: 16px;
    background-color: var(--content-bg);
    color: var(--text);
    display: grid;
    grid-template-columns: 72px 1fr;
    min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.sidebar {
    grid-column: 1;
    grid-row: 1 / -1;
    position: fixed;
    top: 0;
    left: 0;
    width: 72px;
    height: 100vh;
    background-color: var(--nav-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 0;
    z-index: 100;
    border-right: 1px solid var(--border);
}

.sidebar__logo {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    flex-shrink: 0;
}

.sidebar__nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.sidebar__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    width: 100%;
}

/* ============================================================
   NAV ICONS
   ============================================================ */

.nav-icon {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease;
    color: var(--nav-text);
}

.nav-icon:hover {
    background-color: var(--nav-hover);
}

.nav-icon.active {
    background-color: var(--nav-hover);
    outline: 2px solid var(--nav-active);
    outline-offset: -2px;
}

/* ============================================================
   TOOLTIPS — shared for any element with data-tooltip
   ============================================================ */

[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--nav-bg);
    color: var(--nav-text);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    border: 1px solid var(--border);
    z-index: 200;
}

[data-tooltip]:hover::after {
    opacity: 1;
}

/* ============================================================
   PIXEL ART — Image-based rendering
   ============================================================ */

/* Base image class */
.pixel-img {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    display: block;
}

/* Pixel images inside nav icons and theme toggle */
.nav-icon .pixel-img,
.theme-toggle .pixel-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 0;
    padding: 4px;
}

/* Logo image in sidebar */
.sidebar__logo .pixel-img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

/* Logo image on auth pages */
.auth-logo .pixel-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ============================================================
   THEME TOGGLE
   ============================================================ */

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    cursor: pointer;
    border: none;
    background: transparent;
    transition: background-color 0.15s ease;
    position: relative;
}

.theme-toggle:hover {
    background-color: var(--nav-hover);
}


/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */

.page-wrap {
    grid-column: 2;
    grid-row: 1 / -1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-content {
    flex: 1;
    padding: 32px 40px;
    max-width: 960px;
}

/* ============================================================
   CALENDAR
   ============================================================ */

/* Full-width wrapper — no max-width cap */
.calendar-view {
    flex: 1;
    padding: 32px 40px;
    width: 100%;
}

/* Header: prev arrow | title + Today btn | next arrow */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 16px;
}

.calendar-header__center {
    display: flex;
    align-items: center;
    gap: 16px;
}

.calendar-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--text);
    letter-spacing: -0.5px;
}

.calendar-nav {
    font-size: 2rem;
    line-height: 1;
    color: var(--text-muted);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 4px;
    transition: background-color 0.15s ease, color 0.15s ease;
    user-select: none;
}

.calendar-nav:hover {
    background-color: var(--border);
    color: var(--text);
    text-decoration: none;
}

.calendar-today-btn {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 10px;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.calendar-today-btn:hover {
    background-color: var(--border);
    color: var(--text);
    text-decoration: none;
}

.calendar-today-btn--current {
    color: var(--nav-active);
    border-color: var(--nav-active);
}

/* 7-column grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    background-color: var(--border);
    border: 2px solid var(--border);
}

/* Day-of-week header row */
.calendar-dow {
    padding: 8px 12px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--nav-text);
    background-color: var(--nav-bg);
}

/* Day cells */
.calendar-cell {
    min-height: 80px;
    padding: 8px 12px;
    background-color: var(--content-bg);
    vertical-align: top;
}

.calendar-cell__day {
    font-size: 14px;
    color: var(--text);
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 50%;
}

/* Today highlight */
.calendar-cell--today .calendar-cell__day {
    background-color: var(--nav-active);
    color: var(--color-on-primary);
    font-weight: bold;
}

/* Overflow (prev/next month) cells */
.calendar-cell--overflow .calendar-cell__day {
    color: var(--text-muted);
    opacity: 0.5;
}

/* Locked (beyond booking window / past) */
.calendar-cell--locked {
    opacity: 0.4;
    cursor: default;
}
.calendar-cell--locked .calendar-cell__day {
    color: var(--text-muted);
}

/* Interactive cells */
.calendar-cell--interactive {
    cursor: pointer;
    background-color: color-mix(in srgb, var(--nav-active) 6%, var(--content-bg));
}
.calendar-cell--interactive:hover {
    background-color: color-mix(in srgb, var(--nav-active) 16%, var(--content-bg));
}

/* Peak day indicator */
.calendar-cell--peak .calendar-cell__day {
    border: 2px solid var(--nav-active);
}

.calendar-cell__peak-dot {
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--nav-active);
    margin: 4px auto 0;
}

/* Flame icon for peak days */
.calendar-cell__flame {
    display: block;
    font-size: 14px;
    text-align: center;
    margin-top: 2px;
    line-height: 1;
}

/* Holiday label (flame + name + canton) */
.calendar-cell__holiday {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 3px;
    line-height: 1.3;
    word-break: break-word;
    overflow: hidden;
}

/* Booked day */
.calendar-cell--booked {
    background-color: color-mix(in srgb, var(--nav-active) 22%, var(--content-bg));
}
.calendar-cell--booked .calendar-cell__day {
    background-color: var(--nav-active);
    color: var(--color-on-primary);
    font-weight: bold;
}

.calendar-cell__booked-mark {
    display: block;
    font-size: 10px;
    color: var(--nav-active);
    text-align: center;
    margin-top: 2px;
    letter-spacing: 0;
}
.calendar-cell__booked-mark::after {
    content: '✓ booked';
}

/* Credits bar */
.calendar-credits {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 0 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.calendar-credits__balance {
    font-weight: bold;
    color: var(--text);
}

.calendar-credits__history {
    color: var(--nav-active);
    text-decoration: none;
    font-size: 12px;
}
.calendar-credits__history:hover {
    text-decoration: underline;
}

/* Calendar notices / errors */
.calendar-notice {
    margin-top: 16px;
    padding: 10px 14px;
    background-color: color-mix(in srgb, var(--nav-active) 12%, transparent);
    border-left: 3px solid var(--nav-active);
    font-size: 14px;
    color: var(--text);
}

.calendar-error {
    margin-top: 16px;
    padding: 10px 14px;
    background-color: color-mix(in srgb, var(--color-error) 12%, transparent);
    border-left: 3px solid var(--color-error);
    font-size: 14px;
    color: var(--text);
}

/* ============================================================
   HERO BANNER
   ============================================================ */

.hero {
    width: 100%;
    height: 500px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    display: block;
}

.hero__img--dark {
    display: none;
}

[data-theme="dark"] .hero__img--light {
    display: none;
}

[data-theme="dark"] .hero__img--dark {
    display: block;
}

/* ============================================================
   TYPOGRAPHY & CONTENT
   ============================================================ */

h1 {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 16px;
    color: var(--text);
    letter-spacing: -0.5px;
}

h2 {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 12px;
    color: var(--text);
}

p {
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 16px;
}

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

a:hover {
    text-decoration: underline;
}

/* ============================================================
   FOOTER
   ============================================================ */

.page-footer {
    margin-top: auto;
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 12px 40px;
    font-size: 12px;
    border-top: 1px solid var(--border);
}

/* ============================================================
   FORMS (admin)
   ============================================================ */

button[type="submit"] {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    background-color: var(--nav-active);
    color: var(--color-on-primary);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.15s ease;
}

button[type="submit"]:hover {
    opacity: 0.85;
}

/* ============================================================
   AUTH LAYOUT (login, set-password)
   ============================================================ */

.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--content-bg);
    grid-template-columns: unset;
    grid-template-rows: unset;
}

.auth-wrap {
    width: 100%;
    max-width: 400px;
    padding: 24px;
}

.auth-card {
    background-color: var(--nav-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.auth-card h1 {
    font-size: 1.25rem;
    margin-bottom: 0;
    text-align: center;
    color: var(--nav-text);
}

.auth-logo {
    position: relative;
    width: 200px;
    height: auto;
    flex-shrink: 0;
}

.auth-card form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 12px;
    color: var(--nav-text);
    font-family: 'Courier New', monospace;
}

.form-group input,
.admin-create-user input[type="email"] {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    background-color: var(--content-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
    outline: none;
    width: 100%;
}

.form-group input:focus,
.admin-create-user input[type="email"]:focus {
    border-color: var(--nav-active);
}

.auth-card button[type="submit"] {
    margin-top: 4px;
    width: 100%;
    padding: 10px;
}

.auth-error {
    width: 100%;
    padding: 8px 12px;
    background-color: color-mix(in srgb, var(--color-error) 15%, transparent);
    border-left: 3px solid var(--color-error);
    color: var(--nav-text);
    font-size: 13px;
    margin-bottom: 0;
}

.auth-info {
    width: 100%;
    padding: 8px 12px;
    background-color: color-mix(in srgb, var(--color-success) 15%, transparent);
    border-left: 3px solid var(--color-success);
    color: var(--nav-text);
    font-size: 13px;
    margin-bottom: 0;
}

/* ============================================================
   CREDITS PAGE
   ============================================================ */

.credits-balance {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 32px;
}

.credits-balance__number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--nav-active);
    line-height: 1;
}

.credits-balance__label {
    font-size: 1rem;
    color: var(--text-muted);
}

.credits-empty {
    color: var(--text-muted);
    font-style: italic;
    margin-top: 16px;
}

.credits-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-top: 16px;
}

.credits-table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 2px solid var(--border);
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.credits-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.credits-amount--positive { color: var(--color-success); font-weight: bold; }
.credits-amount--negative { color: var(--color-error); font-weight: bold; }
.credits-amount--neutral  { color: var(--text-muted); }

.credits-row__note {
    color: var(--text-muted);
    font-size: 13px;
}

/* ============================================================
   ADMIN PAGE
   ============================================================ */

.admin-section {
    margin-bottom: 40px;
}

.admin-section h2 {
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.admin-notice {
    color: var(--color-success);
    margin-bottom: 16px;
}

.admin-error {
    color: var(--color-error);
    margin-bottom: 16px;
}

.admin-invite-box {
    background-color: var(--nav-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 12px 16px;
    margin-bottom: 20px;
}

.admin-invite-box p {
    margin-bottom: 8px;
    color: var(--text);
}

.invite-link {
    display: block;
    word-break: break-all;
    font-size: 13px;
    color: var(--nav-active);
    background-color: var(--content-bg);
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.admin-create-user {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.admin-create-user input[type="email"] {
    flex: 1;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th,
.admin-table td {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.admin-table th {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.admin-actions form {
    margin: 0;
}

.admin-actions button[type="submit"] {
    font-size: 12px;
    padding: 4px 10px;
}

.btn-danger {
    background-color: var(--color-error) !important;
}

.admin-self-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* Logout button in sidebar — match nav-icon style but as a button */
.sidebar__bottom form {
    margin: 0;
    padding: 0;
}

.sidebar__bottom button[type="submit"] {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    cursor: pointer;
    border: none;
    background: transparent;
    transition: background-color 0.15s ease;
    position: relative;
    color: var(--nav-text);
    padding: 0;
    font-size: 0;
}

/* ============================================================
   HOLIDAYS ADMIN SECTION
   ============================================================ */

.admin-holidays-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 20px;
}

.admin-holidays-actions form {
    margin: 0;
}

.admin-holidays-empty {
    color: var(--text-muted);
    font-size: 14px;
    padding: 12px 0;
}

/* Inline add/edit form */
.admin-holiday-form {
    background-color: var(--nav-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.admin-holiday-form label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-holiday-form input[type="date"],
.admin-holiday-form input[type="text"] {
    font-size: 14px;
    padding: 6px 10px;
    min-width: 140px;
}

.admin-holiday-form .form-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    padding-bottom: 2px;
}