/* ===========================
   Shares - Responsive CSS
   Mobile-first design
   Breakpoints:
     Mobile:  <= 768px  (1 col)
     Tablet:  769-1024px (2 col)
     Desktop: > 1024px (sidebar + content)
=========================== */

/* --- CSS Variables --- */
:root {
    --color-primary:   #2c3e50;
    --color-accent:    #3498db;
    --color-success:   #27ae60;
    --color-warning:   #f39c12;
    --color-danger:    #e74c3c;
    --color-info:      #2980b9;
    --color-muted:     #7f8c8d;
    --color-bg:        #f5f6fa;
    --color-card:      #ffffff;
    --color-border:    #dce1e7;
    --color-text:      #2d3436;
    --color-text-light:#636e72;
    --radius:          6px;
    --shadow:          0 2px 8px rgba(0,0,0,.08);
    --shadow-lg:       0 4px 20px rgba(0,0,0,.12);
    --transition:      .2s ease;
    --nav-height:      56px;
    --sidebar-width:   240px;
}

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

/* --- Base / Typography --- */
html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary);
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

p { margin-bottom: .75rem; }
p:last-child { margin-bottom: 0; }

/* --- Layout --- */
.wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 1rem;
    width: 100%;
}

/* Desktop sidebar layout */
@media (min-width: 1025px) {
    .layout-with-sidebar {
        display: grid;
        grid-template-columns: var(--sidebar-width) 1fr;
        gap: 1.5rem;
        align-items: start;
    }
}

/* --- Nav Bar --- */
nav, .navbar {
    background: var(--color-primary);
    color: #fff;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 6px rgba(0,0,0,.2);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff;
    text-decoration: none;
    flex: 1;
}

.navbar-links {
    display: flex;
    gap: .5rem;
    list-style: none;
    align-items: center;
}

.navbar-links a {
    color: rgba(255,255,255,.85);
    padding: .4rem .75rem;
    border-radius: var(--radius);
    font-size: .9rem;
    transition: background var(--transition);
    text-decoration: none;
}
.navbar-links a:hover,
.navbar-links a.active { background: rgba(255,255,255,.15); color: #fff; }

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    padding: .4rem;
}

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .navbar-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0; right: 0;
        background: var(--color-primary);
        flex-direction: column;
        padding: .5rem 1rem 1rem;
        gap: 0;
        box-shadow: 0 4px 8px rgba(0,0,0,.2);
    }
    .navbar-links.open { display: flex; }
    .navbar-links a { display: block; padding: .6rem .5rem; }
}

/* --- Card / Panel --- */
.card {
    background: var(--color-card);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.card-body { padding: 0; }

/* --- Table (responsive) --- */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}

thead th {
    background: var(--color-primary);
    color: #fff;
    padding: .65rem 1rem;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition);
}
tbody tr:hover { background: #f8f9fa; }

td { padding: .65rem 1rem; vertical-align: middle; }

/* --- Forms --- */
.form-group { margin-bottom: 1rem; }

label {
    display: block;
    margin-bottom: .35rem;
    font-size: .9rem;
    font-weight: 500;
    color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="search"],
textarea,
select {
    display: block;
    width: 100%;
    padding: .55rem .8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(52,152,219,.15);
}

textarea { resize: vertical; min-height: 90px; }

.form-hint { font-size: .8rem; color: var(--color-muted); margin-top: .25rem; }
.form-error { font-size: .8rem; color: var(--color-danger); margin-top: .25rem; }

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 769px) {
    .form-row.cols-2 { grid-template-columns: 1fr 1fr; }
    .form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1.1rem;
    border: none;
    border-radius: var(--radius);
    font-size: .9rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: filter var(--transition), transform var(--transition);
    white-space: nowrap;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn-primary   { background: var(--color-accent);   color: #fff; }
.btn-success   { background: var(--color-success);  color: #fff; }
.btn-danger    { background: var(--color-danger);   color: #fff; }
.btn-warning   { background: var(--color-warning);  color: #fff; }
.btn-secondary { background: #95a5a6; color: #fff; }
.btn-outline   { background: transparent; border: 1px solid var(--color-border); color: var(--color-text); }
.btn-sm { padding: .3rem .7rem; font-size: .82rem; }
.btn-lg { padding: .7rem 1.5rem; font-size: 1rem; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* --- Status Badges --- */
.badge {
    display: inline-block;
    padding: .25em .6em;
    border-radius: 100px;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
}

/* Store statuses */
.badge-PENDING    { background: #fff3cd; color: #856404; }
.badge-ACTIVE     { background: #d1e7dd; color: #0a3622; }
.badge-SUSPENDED  { background: #f8d7da; color: #842029; }
.badge-CLOSED     { background: #e2e3e5; color: #41464b; }

/* Share statuses */
.badge-DRAFT        { background: #e2e3e5; color: #41464b; }
.badge-OPEN         { background: #cfe2ff; color: #084298; }
.badge-GOAL_REACHED { background: #d1e7dd; color: #0a3622; }
.badge-CONFIRMED    { background: #d0f0c0; color: #155724; }
.badge-EXPIRED      { background: #f8d7da; color: #842029; }
.badge-CANCELLED    { background: #e2e3e5; color: #41464b; }

/* Order statuses */
.badge-PENDING_ORDER { background: #fff3cd; color: #856404; }
.badge-ACCEPTED      { background: #cfe2ff; color: #084298; }
.badge-PREPARING     { background: #d1e7dd; color: #0a3622; }
.badge-SERVED        { background: #d0f0c0; color: #155724; }

/* Generic */
.badge-success { background: #d1e7dd; color: #0a3622; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-danger  { background: #f8d7da; color: #842029; }
.badge-info    { background: #cfe2ff; color: #084298; }
.badge-muted   { background: #e2e3e5; color: #41464b; }

/* --- Grid System --- */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 769px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1025px) {
    .grid-3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* Stats cards grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
@media (min-width: 1025px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 1.1rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    text-align: center;
}
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--color-accent); }
.stat-label { font-size: .82rem; color: var(--color-muted); margin-top: .25rem; }

/* --- Cart Panel --- */
.cart-panel {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: var(--shadow);
}

.cart-items { list-style: none; margin-bottom: 1rem; }
.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .5rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: .9rem;
}
.cart-item:last-child { border-bottom: none; }
.cart-item-name { flex: 1; }
.cart-item-qty  { color: var(--color-muted); font-size: .82rem; margin: 0 .5rem; }
.cart-item-price { font-weight: 600; }
.cart-total {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1rem;
    padding-top: .5rem;
    border-top: 2px solid var(--color-primary);
}

/* --- Menu Item Cards --- */
.menu-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 480px) {
    .menu-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1025px) {
    .menu-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.menu-card {
    background: var(--color-card);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
    cursor: pointer;
}
.menu-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.menu-card.sold-out { opacity: .55; cursor: not-allowed; }

.menu-card-img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: #ecf0f1;
}
.menu-card-img-placeholder {
    width: 100%;
    height: 140px;
    background: #ecf0f1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 2rem;
}

.menu-card-body { padding: .85rem; }
.menu-card-name { font-weight: 600; margin-bottom: .25rem; }
.menu-card-desc { font-size: .82rem; color: var(--color-muted); margin-bottom: .5rem; }
.menu-card-price { font-size: 1.05rem; font-weight: 700; color: var(--color-primary); }
.menu-card-sold-out { color: var(--color-danger); font-size: .8rem; font-weight: 600; }

/* --- Share Progress Bars --- */
.progress-wrap { margin: .5rem 0; }
.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: .82rem;
    color: var(--color-muted);
    margin-bottom: .25rem;
}
.progress-bar-bg {
    background: #e9ecef;
    border-radius: 100px;
    height: 10px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    border-radius: 100px;
    background: var(--color-accent);
    transition: width .4s ease;
}
.progress-bar-fill.success { background: var(--color-success); }
.progress-bar-fill.warning { background: var(--color-warning); }

/* --- Toast Notifications --- */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    pointer-events: none;
}

.toast {
    min-width: 240px;
    max-width: 340px;
    padding: .8rem 1.1rem;
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #fff;
    font-size: .9rem;
    box-shadow: var(--shadow-lg);
    pointer-events: all;
    animation: toast-in .25s ease;
    display: flex;
    align-items: center;
    gap: .6rem;
}
.toast.success { background: var(--color-success); }
.toast.error   { background: var(--color-danger); }
.toast.warning { background: var(--color-warning); }
.toast.info    { background: var(--color-info); }
.toast.fade-out { animation: toast-out .3s ease forwards; }

@keyframes toast-in  { from { opacity:0; transform: translateY(1rem); } to { opacity:1; transform: translateY(0); } }
@keyframes toast-out { from { opacity:1; transform: translateY(0); } to { opacity:0; transform: translateY(1rem); } }

@media (max-width: 480px) {
    #toast-container { left: 1rem; right: 1rem; bottom: 1rem; }
    .toast { max-width: 100%; }
}

/* --- HTMX Loading Indicator --- */
#htmx-indicator {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--color-accent);
    z-index: 9998;
    display: none;
    animation: loading-bar 1.2s linear infinite;
}
#htmx-indicator.htmx-request { display: block; }

@keyframes loading-bar {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Spinner fallback */
.spinner {
    display: inline-block;
    width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Alerts --- */
.alert {
    padding: .85rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    margin-bottom: 1rem;
    font-size: .92rem;
}
.alert-success { background: #d1e7dd; color: #0a3622; border-color: #a3cfbb; }
.alert-danger  { background: #f8d7da; color: #842029; border-color: #f1aeb5; }
.alert-warning { background: #fff3cd; color: #664d03; border-color: #ffe69c; }
.alert-info    { background: #cfe2ff; color: #084298; border-color: #9ec5fe; }

/* --- Utility classes --- */
.text-muted   { color: var(--color-muted); }
.text-small   { font-size: .85rem; }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.w-100 { width: 100%; }
.flex-wrap { flex-wrap: wrap; }

/* --- Page header --- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.5rem;
}
.page-title { font-size: 1.5rem; font-weight: 700; color: var(--color-primary); }

/* --- Login page --- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: var(--color-bg);
}
.login-card {
    background: var(--color-card);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    width: 100%;
    max-width: 380px;
}
.login-title { text-align: center; margin-bottom: 1.5rem; }

/* --- Sidebar --- */
.sidebar {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: calc(var(--nav-height) + 1rem);
}
.sidebar-nav { list-style: none; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .6rem 1.25rem;
    color: var(--color-text);
    font-size: .92rem;
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--color-bg);
    color: var(--color-accent);
}
.sidebar-nav .separator {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: .5rem 0;
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 1rem;
    color: var(--color-muted);
    font-size: .82rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-card);
    margin-top: auto;
}

/* --- QR code display --- */
.qr-wrap { text-align: center; padding: 1rem; }
.qr-wrap img { max-width: 200px; border: 4px solid var(--color-primary); border-radius: var(--radius); }

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-muted);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state-text { font-size: 1rem; }

/* --- Pagination --- */
.pagination {
    display: flex;
    gap: .25rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    list-style: none;
}
.pagination a, .pagination span {
    display: inline-block;
    padding: .4rem .75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .9rem;
    color: var(--color-text);
    transition: background var(--transition);
}
.pagination a:hover  { background: var(--color-bg); text-decoration: none; }
.pagination .current { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }