/* GBS Paging Portal - plain CSS, no build step, no external CDN */

/* ---- Reset / base ---- */

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

:root {
    --color-bg:        #f4f5f7;
    --color-surface:   #ffffff;
    --color-border:    #d1d5db;
    --color-primary:   #1a56a0;
    --color-primary-h: #1345840;
    --color-danger:    #b91c1c;
    --color-warning:   #92400e;
    --color-success:   #065f46;
    --color-text:      #111827;
    --color-muted:     #6b7280;
    --color-flash-success-bg: #d1fae5;
    --color-flash-success-border: #6ee7b7;
    --color-flash-error-bg:   #fee2e2;
    --color-flash-error-border: #fca5a5;
    --color-flash-warning-bg: #fef3c7;
    --color-flash-warning-border: #fcd34d;
    --color-flash-info-bg:    #dbeafe;
    --color-flash-info-border: #93c5fd;

    --radius: 6px;
    --shadow: 0 1px 4px rgba(0,0,0,0.10);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

html {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
}

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

a:hover {
    text-decoration: underline;
}

/* ---- Layout ---- */

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header.site-header {
    background: var(--color-primary);
    color: #fff;
    padding: 0 1.5rem;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

header.site-header .site-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: #fff;
}

header.site-header nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.875rem;
}

header.site-header nav a {
    color: rgba(255,255,255,0.85);
}

header.site-header nav a:hover {
    color: #fff;
    text-decoration: none;
}

header.site-header nav span.user-email {
    color: rgba(255,255,255,0.65);
    font-size: 0.8125rem;
}

main {
    flex: 1;
    padding: 2rem 1rem;
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
}

/* ---- Card ---- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.card h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

/* ---- Page heading ---- */

h1.page-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--color-text);
}

/* ---- Flash messages ---- */

.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
}

.flash.success {
    background: var(--color-flash-success-bg);
    border-color: var(--color-flash-success-border);
    color: var(--color-success);
}

.flash.error {
    background: var(--color-flash-error-bg);
    border-color: var(--color-flash-error-border);
    color: var(--color-danger);
}

.flash.warning {
    background: var(--color-flash-warning-bg);
    border-color: var(--color-flash-warning-border);
    color: var(--color-warning);
}

.flash.info {
    background: var(--color-flash-info-bg);
    border-color: var(--color-flash-info-border);
    color: var(--color-primary);
}

/* ---- Forms ---- */

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-family: var(--font);
    color: var(--color-text);
    background: #fff;
    transition: border-color 0.15s;
    max-width: 320px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26,86,160,0.12);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-muted);
    margin-top: 0.25rem;
}

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.125rem;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    border: none;
    transition: background 0.15s, opacity 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: #1345840;
    opacity: 0.9;
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}

.btn-danger:hover {
    opacity: 0.88;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-bg);
}

.btn-sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.8125rem;
}

/* ---- Tables ---- */

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

table thead th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 2px solid var(--color-border);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

table tbody td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

table tbody tr:last-child td {
    border-bottom: none;
}

table tbody tr:hover {
    background: rgba(0,0,0,0.02);
}

/* ---- Status badges ---- */

.badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-green {
    background: #d1fae5;
    color: #065f46;
}

.badge-gray {
    background: #f3f4f6;
    color: #6b7280;
}

.badge-red {
    background: #fee2e2;
    color: #b91c1c;
}

.badge-yellow {
    background: #fef3c7;
    color: #92400e;
}

/* ---- Login page ---- */

.login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 52px);
    padding: 2rem 1rem;
}

.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.login-card .subtitle {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin-bottom: 1.75rem;
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.625rem 1rem;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    font-family: var(--font);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    text-decoration: none;
    transition: box-shadow 0.15s, background 0.15s;
}

.btn-google:hover {
    background: #f9fafb;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    text-decoration: none;
}

.btn-google svg {
    flex-shrink: 0;
}

.divider {
    display: flex;
    align-items: center;
    margin: 1.25rem 0;
    gap: 0.75rem;
    color: var(--color-muted);
    font-size: 0.8125rem;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* ---- Info list (dashboard) ---- */

.info-list {
    list-style: none;
    font-size: 0.9375rem;
}

.info-list li {
    display: flex;
    gap: 0.5rem;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--color-border);
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list .label {
    font-weight: 500;
    min-width: 140px;
    color: var(--color-muted);
    font-size: 0.875rem;
}

.info-list .value {
    color: var(--color-text);
}

/* ---- Admin edit row ---- */

.edit-zones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.edit-zones label {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8125rem;
    cursor: pointer;
    white-space: nowrap;
}

details.edit-panel {
    margin-top: 0.5rem;
}

details.edit-panel summary {
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--color-primary);
    user-select: none;
}

details.edit-panel summary:hover {
    text-decoration: underline;
}

.edit-panel-body {
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.perms-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.perms-row label {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.875rem;
    cursor: pointer;
}

/* ---- Responsive ---- */

@media (max-width: 600px) {
    header.site-header {
        padding: 0 1rem;
    }

    header.site-header nav span.user-email {
        display: none;
    }

    main {
        padding: 1.25rem 0.75rem;
    }

    .card {
        padding: 1rem;
    }

    .login-card {
        padding: 1.75rem 1.25rem;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="password"],
    .form-group input[type="number"],
    .form-group select {
        max-width: 100%;
    }
}