/*
 * Tokyo Chamber Opera Theatre member site
 * Modern shared UI layer
 *
 * This file is intentionally loaded AFTER the legacy CSS files.
 * It modernizes the common shell and reusable components without
 * requiring every legacy page to be rewritten at once.
 */

:root {
    --tco-navy: #17324a;
    --tco-navy-deep: #102638;
    --tco-navy-soft: #294b66;
    --tco-accent: #e4b600;
    --tco-accent-soft: #fff5bf;
    --tco-accent-pale: #fffaf0;
    --tco-link: #075ea8;
    --tco-link-hover: #003f76;
    --tco-text: #24313b;
    --tco-muted: #66727c;
    --tco-border: #d7dee4;
    --tco-border-strong: #b9c5ce;
    --tco-surface: #ffffff;
    --tco-surface-soft: #f5f8fa;
    --tco-surface-alt: #eef3f6;
    --tco-danger: #a52222;
    --tco-success: #27663c;
    --tco-radius: 10px;
    --tco-radius-small: 6px;
    --tco-shadow: 0 8px 24px rgba(18, 38, 55, .08);
    --tco-content: 1180px;
}

html {
    box-sizing: border-box;
    background: #fff;
}

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

body {
    margin: 0;
    background: #fff;
    color: var(--tco-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Yu Gothic", YuGothic, Meiryo, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--tco-link);
    text-underline-offset: 2px;
}

a:hover,
a:focus-visible {
    color: var(--tco-link-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ------------------------------------------------------------
   Header
   ------------------------------------------------------------ */
body > header {
    background: var(--tco-navy);
    color: #fff;
    border-bottom: 3px solid var(--tco-accent);
}

body > header .header {
    width: min(var(--tco-content), calc(100% - 40px));
    min-height: 88px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 12px 0;
}

body > header .logo {
    flex: 0 0 auto;
}

body > header .logo img {
    display: block;
    width: auto;
    max-height: 64px;
}

body > header .site-title {
    min-width: 0;
    flex: 1 1 auto;
}

body > header .site-title a {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: .02em;
}

body > header .site-title .legal,
body > header .site-title .member-site {
    display: inline;
    color: #fff;
    font-size: .72em;
    font-weight: 500;
}

body > header .welcome {
    position: absolute;
    top: 14px;
    right: max(20px, calc((100vw - var(--tco-content)) / 2));
    color: #eef4f8;
    font-size: 13px;
    line-height: 1.5;
    text-align: right;
}

body > header .welcome a {
    color: #fff;
}

/* ------------------------------------------------------------
   Global navigation
   ------------------------------------------------------------ */
body > nav {
    background: var(--tco-navy-deep);
    border-bottom: 1px solid rgba(255,255,255,.08);
}

@media (min-width: 769px) {
    body > nav .menu-main-menu-container {
        width: min(var(--tco-content), calc(100% - 40px));
        margin: 0 auto;
    }

    body > nav ul {
        width: auto;
        margin: 0;
        padding: 0;
        gap: 2px;
        align-items: stretch;
    }

    body > nav ul li {
        list-style: none;
    }

    body > nav ul li a {
        margin: 0;
        padding: 15px 12px;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #f7fafc;
        font-family: inherit;
        font-size: 14px;
        font-weight: 600;
        letter-spacing: .02em;
        line-height: 1.25;
        border-radius: 0;
        transition: background-color .18s ease, color .18s ease;
    }

    body > nav ul li a:hover,
    body > nav ul li a:focus-visible {
        background: rgba(255,255,255,.10);
        color: #fff;
        outline: none;
    }
}

.band {
    height: 10px;
    background: var(--tco-surface-alt);
    border-bottom: 1px solid var(--tco-border);
}

/* ------------------------------------------------------------
   Main layout
   ------------------------------------------------------------ */
#container {
    width: min(var(--tco-content), calc(100% - 40px));
    min-height: calc(100vh - 250px);
    margin: 0 auto;
    padding: 34px 0 56px;
}

/*
 * Legacy CSS applies a decorative style to every h1.
 * Neutralize that global treatment first; page-level titles are
 * restyled below. This also prevents /hp/ section headings from
 * inheriting the member-site title bar.
 */
#container h1 {
    width: auto;
    max-width: none;
    height: auto;
    min-height: 0;
    margin-left: 0;
    margin-right: 0;
    background: none;
    border: 0;
    box-shadow: none;
    color: inherit;
    font-family: inherit;
    line-height: 1.35;
}

/* Ordinary page titles only. */
#container > h1,
#container > .post > h1,
#container > .dashboard .dash-top > h1,
#container > #calendar-container > #calendar-header > h1,
#container > .admin-wrap > h1 {
    margin: 0 0 24px;
    padding: 10px 16px 10px 18px;
    border-left: 6px solid var(--tco-accent);
    border-bottom: 1px solid #ead77a;
    background: linear-gradient(90deg, var(--tco-accent-soft), #fffdf3);
    color: #24313b;
    font-size: clamp(24px, 2.2vw, 31px);
    font-weight: 700;
    letter-spacing: .01em;
}

#container h2 {
    color: var(--tco-text);
    line-height: 1.45;
}

#container > h2,
#container > .post > h2 {
    margin-top: 32px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--tco-border);
    font-size: 21px;
}

/* ------------------------------------------------------------
   Shared panels / cards
   ------------------------------------------------------------ */
.new-box,
.category-container,
.form-container,
.studio-admin-search,
.admin-message,
.admin-success,
.admin-error {
    border-color: var(--tco-border);
    border-radius: var(--tco-radius-small);
}

.new-box {
    background: var(--tco-surface);
    box-shadow: 0 1px 0 rgba(20,40,55,.03);
}

.post {
    color: var(--tco-text);
}

/* Dashboard */
.dashboard {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, .78fr);
    gap: 28px;
    align-items: start;
}

.dashboard .dash-top {
    grid-column: 1;
}

.dashboard .dash-top + div {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin: 0 !important;
    padding: 20px !important;
    border: 1px solid var(--tco-border) !important;
    border-left: 4px solid var(--tco-accent) !important;
    border-radius: var(--tco-radius) !important;
    background: #fff !important;
    box-shadow: var(--tco-shadow);
}

.dashboard > div:last-child {
    grid-column: 1;
}

.dashboard .new-box {
    margin-top: 10px;
}

/* Main dashboard icon navigation: retain familiar icons, remove dated bevel-heavy framing. */
.main-navigation {
    margin: 30px 0 0;
}

.main-navigation ul {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    min-width: 0;
    list-style: none;
}

.main-navigation .inside {
    height: 100%;
}

.main-navigation .inside a {
    height: 100%;
    min-height: 118px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 8px;
    overflow: hidden;
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius);
    background: #fff;
    color: var(--tco-text);
    text-align: center;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 3px 12px rgba(18,38,55,.05);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.main-navigation .inside a:hover,
.main-navigation .inside a:focus-visible {
    transform: translateY(-2px);
    border-color: #aab9c4;
    box-shadow: 0 8px 20px rgba(18,38,55,.10);
}

.main-navigation .inside img {
    width: 46px;
    height: 46px;
    object-fit: contain;
}

.sub-navigation {
    margin: 20px 0 0;
}

.sub-navigation ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
}

.sub-navigation li {
    list-style: none;
}

.sub-navigation a {
    min-height: 108px;
    display: block;
    padding: 20px;
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius);
    background: var(--tco-surface-soft);
    color: var(--tco-text);
    text-decoration: none;
}

.sub-navigation a:hover,
.sub-navigation a:focus-visible {
    border-color: var(--tco-border-strong);
    background: #fff;
}

/* ------------------------------------------------------------
   Library
   ------------------------------------------------------------ */
.library-container {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.library-container > .category-container {
    margin: 0;
    padding: 18px;
    border: 1px solid var(--tco-border);
    background: #fff;
    box-shadow: 0 3px 12px rgba(18,38,55,.04);
}

.library-container .category-container h2 {
    margin: 0 0 15px;
    padding: 0 0 9px;
    border-bottom: 2px solid var(--tco-navy-soft);
    font-size: 18px;
}

.library-container .subcategory-container {
    margin: 18px 0 0;
}

.library-container .subcategory-container h3 {
    margin: 0 0 7px;
    padding: 0 0 5px;
    border-bottom: 1px dashed #b7c2ca;
    font-size: 16px;
}

.library-container ul {
    margin: 8px 0;
    padding-left: 0;
    list-style: none;
}

.library-container li {
    margin: 5px 0;
}

/* ------------------------------------------------------------
   Forms / controls / buttons
   ------------------------------------------------------------ */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="file"],
select,
textarea {
    max-width: 100%;
    border: 1px solid var(--tco-border-strong);
    border-radius: 5px;
    background: #fff;
    color: var(--tco-text);
    font: inherit;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
select,
textarea {
    padding: 8px 10px;
}

input:focus,
select:focus,
textarea:focus {
    outline: 3px solid rgba(7,94,168,.12);
    border-color: var(--tco-link);
}

button,
input[type="submit"],
input[type="button"],
.button,
a.button {
    border: 1px solid var(--tco-navy);
    border-radius: 6px;
    background: var(--tco-navy);
    color: #fff;
    font: inherit;
    font-weight: 700;
    line-height: 1.3;
    padding: 8px 14px;
    cursor: pointer;
    text-decoration: none;
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
.button:hover,
a.button:hover {
    background: var(--tco-navy-deep);
    color: #fff;
}

button:disabled,
input:disabled {
    cursor: not-allowed;
    opacity: .55;
}

/* ------------------------------------------------------------
   Tables
   ------------------------------------------------------------ */
.table-scroll {
    border: 1px solid var(--tco-border);
    border-radius: var(--tco-radius-small);
    background: #fff;
}

table.post-list,
table.file-list,
table.library-category-table,
table.studio-reservation-table {
    border-collapse: collapse;
    background: #fff;
}

table.post-list th,
table.file-list th,
table.library-category-table th,
table.studio-reservation-table th {
    background: var(--tco-navy);
    color: #fff;
    font-weight: 700;
}

table.post-list td,
table.file-list td,
table.library-category-table td,
table.studio-reservation-table td {
    border-color: var(--tco-border);
}

/* ------------------------------------------------------------
   Admin menu
   ------------------------------------------------------------ */
.admin-menu,
.admin-menu ul {
    padding-left: 0;
}

/* Existing admin/index.php uses a plain list. Turn it into a clean list without requiring markup changes. */
#container > h1 + ul,
#container > h1 ~ ul.admin-list {
    max-width: 860px;
    margin: 0;
    padding: 0;
}

#container > h1 + ul > li,
#container > h1 ~ ul.admin-list > li {
    list-style: none;
    margin: 0 0 8px;
}

#container > h1 + ul > li > a,
#container > h1 ~ ul.admin-list > li > a {
    display: block;
    padding: 11px 14px;
    border: 1px solid var(--tco-border);
    border-radius: 6px;
    background: #fff;
    text-decoration: none;
}

#container > h1 + ul > li > a:hover,
#container > h1 ~ ul.admin-list > li > a:hover {
    background: var(--tco-surface-soft);
}

/* ------------------------------------------------------------
   Studio calendar
   ------------------------------------------------------------ */
#calendar-container {
    width: 100%;
}

#calendar-container #calendar-view-switch,
#calendar-container .forword {
    gap: 10px;
}

#calendar-container table#calendar {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

#calendar-container table#calendar th {
    background: var(--tco-surface-alt);
    color: var(--tco-text);
    font-weight: 700;
}

#calendar-container table#calendar th,
#calendar-container table#calendar td {
    border-color: #aeb8c0;
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
body > footer,
.footer {
    color: var(--tco-muted);
    text-align: center;
    font-size: 13px;
}

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 1000px) {
    .main-navigation ul {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .library-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    body > header .header {
        width: calc(100% - 28px);
        min-height: 74px;
        padding-right: 54px;
    }

    body > header .logo img {
        max-height: 50px;
    }

    body > header .site-title {
        font-size: 14px;
        line-height: 1.35;
    }

    body > header .welcome {
        display: none;
    }

    .menu-btn {
        top: 16px;
        right: 14px;
        width: 42px;
        height: 42px;
        border-radius: 6px;
        background: var(--tco-accent);
    }

    .menu-main-menu-container {
        width: min(88vw, 340px);
        right: min(-88vw, -340px);
        background: rgba(16, 38, 56, .98);
        box-shadow: -12px 0 28px rgba(0,0,0,.20);
    }

    .menu-main-menu-container ul {
        padding: 78px 18px 20px;
    }

    #menu-btn-check:checked ~ .menu-main-menu-container {
        right: 0;
    }

    #container {
        width: calc(100% - 28px);
        padding: 24px 0 44px;
    }

    #container > h1,
    #container > .post > h1,
    #container > .dashboard .dash-top > h1,
    #container > #calendar-container > #calendar-header > h1,
    #container > .admin-wrap > h1 {
        margin-bottom: 18px;
        padding: 9px 12px;
        font-size: 23px;
    }

    .dashboard {
        display: block;
    }

    .dashboard .dash-top + div {
        margin: 18px 0 24px !important;
    }

    .main-navigation ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .main-navigation .inside a {
        min-height: 102px;
        padding: 12px 6px;
        font-size: 13px;
    }

    .main-navigation .inside img {
        width: 38px;
        height: 38px;
    }

    .sub-navigation ul,
    .library-container {
        grid-template-columns: 1fr;
    }

    .library-container > .category-container {
        padding: 15px;
    }

    .table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 430px) {
    body {
        font-size: 14px;
    }

    body > header .site-title .legal,
    body > header .site-title .member-site {
        display: none;
    }

    .main-navigation ul {
        grid-template-columns: 1fr 1fr;
    }
}