:root { --admin-dark: #102f40; --admin-blue: #079fd3; --admin-bg: #f1f7f9; --admin-border: #dce9ed; }
* { box-sizing: border-box; }
body { margin: 0; color: #173646; background: var(--admin-bg); font-family: Nunito, system-ui, sans-serif; }
a { color: inherit; }
.admin-shell { min-height: 100vh; }
.admin-header { position: sticky; top: 0; z-index: 20; color: #fff; background: var(--admin-dark); }
.admin-container { width: min(1240px, calc(100% - 40px)); margin-inline: auto; }
.admin-header-inner { display: flex; min-height: 70px; align-items: center; justify-content: space-between; gap: 25px; }
.admin-brand { font-weight: 900; text-decoration: none; }
.admin-nav { display: flex; align-items: center; gap: 22px; }
.admin-nav a { color: rgba(255,255,255,.85); font-weight: 800; text-decoration: none; }
.admin-nav a:hover { color: #fff; }
.admin-main { padding: 38px 0 80px; }
.admin-titlebar { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-bottom: 28px; }
.admin-titlebar h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.admin-card { padding: 25px; border: 1px solid var(--admin-border); border-radius: 18px; background: #fff; box-shadow: 0 12px 30px rgba(23,54,70,.07); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 28px; }
.stat strong { display: block; color: var(--admin-blue); font-size: 2rem; }
.stat span { color: #66808c; font-weight: 700; }
.admin-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; }
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 14px 12px; border-bottom: 1px solid var(--admin-border); text-align: left; white-space: nowrap; }
.admin-table th { color: #6a808b; font-size: .78rem; text-transform: uppercase; }
.admin-table td.wrap { max-width: 280px; white-space: normal; }
.badge { display: inline-block; padding: 5px 9px; border-radius: 999px; font-size: .75rem; font-weight: 900; }
.badge-pending { color: #825b08; background: #fff2cc; }
.badge-confirmed { color: #176445; background: #dff8ec; }
.badge-cancelled { color: #8f2b2b; background: #ffe7e3; }
.badge-completed { color: #315973; background: #e4f1f7; }
.admin-button { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; padding: 9px 16px; border: 0; border-radius: 10px; color: #fff; background: var(--admin-blue); font-weight: 900; text-decoration: none; cursor: pointer; }
.admin-button-secondary { color: #315366; background: #e8f3f7; }
.admin-button-danger { background: #d95748; }
.admin-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.admin-field { display: grid; gap: 7px; color: #395865; font-size: .88rem; font-weight: 900; }
.admin-field-full { grid-column: 1 / -1; }
.admin-field input, .admin-field select, .admin-field textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #cddfe5; border-radius: 10px; background: #fff; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.admin-filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.admin-filter input, .admin-filter select { min-height: 42px; padding: 9px 12px; border: 1px solid #cddfe5; border-radius: 9px; }
.login-page { display: grid; min-height: 100vh; place-items: center; padding: 25px; background: linear-gradient(145deg, #e7f8fd, #f7fcfd); }
.login-card { width: min(460px, 100%); padding: 38px; border-radius: 22px; background: #fff; box-shadow: 0 25px 70px rgba(16,47,64,.15); }
.login-card h1 { margin-top: 0; }
.login-card .admin-field { margin-bottom: 17px; }
.login-card .admin-button { width: 100%; margin-top: 8px; }
.admin-flash { margin-bottom: 20px; padding: 14px 16px; border-radius: 10px; font-weight: 800; }
.admin-flash-error { color: #8f2b2b; background: #ffe9e5; }
.admin-flash-success { color: #176445; background: #e5faef; }
@media (max-width: 850px) { .stats { grid-template-columns: repeat(2, 1fr); } .admin-grid { grid-template-columns: 1fr; } .admin-header-inner { align-items: flex-start; flex-direction: column; padding: 14px 0; } .admin-nav { flex-wrap: wrap; } }
@media (max-width: 560px) { .admin-container { width: calc(100% - 24px); } .stats, .admin-form-grid { grid-template-columns: 1fr; } .admin-field-full { grid-column: auto; } .admin-titlebar { align-items: flex-start; flex-direction: column; } }