:root {
    --periwinkle-main: #5C6BC0;
    --periwinkle-light: #E8EAF6;
    --inferno-main: #D32F2F;
    --inferno-light: #FFEBEE;
    --snow: #f8fbff;
    --ink: #333;
    --muted: #6c757d;
    --glass: rgba(255,255,255,.95);
    --line: rgba(92,107,192,.15);
    --shadow: 0 8px 24px rgba(0,0,0,.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Plus Jakarta Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
    color: var(--ink);
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== Topbar / Navbar ===== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    min-height: 76px;
    padding: 12px 5vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: var(--periwinkle-main);
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.brandmark,
.logo-big {
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--periwinkle-main), var(--inferno-main));
    color: white;
    font-weight: 900;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
}

.brandmark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
}

.brand small,
.brand strong {
    display: block;
}

.brand small {
    color: rgba(255,255,255,.8);
    margin-top: 2px;
    font-size: 12px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

nav a {
    padding: 9px 13px;
    border-radius: 10px;
    color: rgba(255,255,255,.9);
    font-weight: 600;
    transition: all .2s ease;
}

nav a:hover {
    background: rgba(255,255,255,.15);
    color: #fff;
}

/* ===== Container ===== */
.container {
    width: min(1200px, 92%);
    margin: 0 auto;
    padding: 40px 0 80px;
}

.center {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 25px;
}

/* ===== Cards ===== */
.card,
.login-card,
.scanner-card,
.admin-section,
.stat,
.menu-card,
.quick-card {
    background: var(--glass);
    border: none;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.card,
.login-card {
    width: min(560px, 100%);
    padding: 35px;
}

.login-card {
    width: min(430px, 100%);
    text-align: center;
}

.logo-big {
    width: 72px;
    height: 72px;
    margin: 0 auto 18px;
    border-radius: 20px;
    font-size: 30px;
}

h1 {
    font-size: clamp(28px, 5vw, 48px);
    line-height: 1.05;
    margin: 0 0 12px;
    color: var(--periwinkle-main);
}

h2 {
    margin: 0;
    color: var(--periwinkle-main);
}

label {
    display: block;
    margin: 18px 0 7px;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid #dee2e6;
    border-radius: 10px;
    padding: 13px 14px;
    background: #fff;
    color: var(--ink);
    outline: none;
    font: inherit;
    transition: all .2s ease;
}

textarea {
    min-height: 110px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--periwinkle-main);
    box-shadow: 0 0 0 4px rgba(92,107,192,.12);
}

/* ===== Buttons ===== */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 10px;
    padding: 13px 19px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    background: var(--periwinkle-main);
    box-shadow: 0 4px 12px rgba(92,107,192,.2);
    transition: all .2s ease;
}

.button:hover {
    background: #3F51B5;
    transform: translateY(-1px);
}

.button-inferno {
    background: var(--inferno-main);
}

.button-inferno:hover {
    background: #C2185B;
}

.full {
    width: 100%;
    margin-top: 25px;
}

/* ===== Hero ===== */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    padding: 35px;
    margin-bottom: 25px;
    border-radius: 16px;
    background: var(--glass);
    box-shadow: var(--shadow);
    border: none;
}

.hero p {
    color: var(--muted);
}

.eyebrow {
    color: var(--inferno-main);
    font-weight: 700;
    letter-spacing: .12em;
    font-size: 12px;
}

/* ===== Grid ===== */
.grid {
    display: grid;
    gap: 16px;
}

.cards {
    grid-template-columns: repeat(4, 1fr);
}

.stat {
    padding: 22px;
    border-radius: 16px;
    transition: all .25s ease;
}

.stat:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(92,107,192,.15);
}

.stat span {
    color: var(--muted);
    display: block;
    margin-bottom: 8px;
}

.stat strong {
    font-size: 25px;
    color: var(--periwinkle-main);
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin: 45px 0 18px;
}

.section-title span {
    color: var(--muted);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.menu-card {
    padding: 20px;
    border-radius: 16px;
    transition: all .25s ease;
}

.menu-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(211,47,47,.12);
}

.menu-card .meal {
    color: var(--inferno-main);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
}

.menu-card p {
    line-height: 1.55;
}

.quick {
    grid-template-columns: repeat(2, 1fr);
}

.quick-card {
    padding: 25px;
    border-radius: 16px;
    transition: all .25s ease;
}

.quick-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(92,107,192,.15);
}

.quick-card strong,
.quick-card span {
    display: block;
}

.quick-card span {
    margin-top: 6px;
    color: var(--muted);
}

/* ===== Tables ===== */
.table-wrap {
    overflow-x: auto;
    border-radius: 16px;
    box-shadow: var(--shadow);
    background: var(--glass);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--glass);
}

th,
td {
    text-align: left;
    padding: 14px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

th {
    background: var(--periwinkle-light);
    color: var(--periwinkle-main);
}

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--periwinkle-light);
    color: var(--periwinkle-main);
    font-size: 11px;
    font-weight: 600;
}

/* ===== Alerts ===== */
.success,
.error,
.warning {
    padding: 15px 17px;
    border-radius: 10px;
    margin: 15px 0;
}

.success {
    background: #d4edda;
    color: #155724;
}

.error {
    background: #f8d7da;
    color: #721c24;
}

.warning {
    background: #fff3cd;
    color: #856404;
}

.muted {
    color: var(--muted);
}

.login-link {
    margin-top: 20px;
}

.login-link a {
    color: var(--periwinkle-main);
    font-weight: 700;
}

/* ===== Scanner ===== */
.scanner-card {
    padding: 25px;
    border-radius: 16px;
}

#reader {
    max-width: 600px;
    margin: auto;
}

.admin-section {
    padding: 25px;
    border-radius: 16px;
    margin-top: 20px;
}

.inline-form {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 12px;
}

.small-form {
    display: flex;
    gap: 7px;
}

.small {
    padding: 8px 12px;
    font-size: 12px;
}

.qr-result {
    margin-top: 25px;
    padding: 25px;
    border-radius: 16px;
    background: var(--glass);
    box-shadow: var(--shadow);
}

#qrcode {
    margin: 20px 0;
}

#qrcode img {
    max-width: 100%;
}

.token {
    word-break: break-all;
    padding: 15px;
    border-radius: 10px;
    background: var(--periwinkle-light);
    font-family: monospace;
    color: var(--periwinkle-main);
}

.form-grid {
    grid-template-columns: 1fr 1fr;
}

.form-grid textarea,
.form-grid button {
    grid-column: 1 / -1;
}

footer {
    text-align: center;
    padding: 30px;
    color: var(--muted);
}

@media (max-width: 900px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 600px) {
    .container {
        width: 94%;
        padding-top: 25px;
    }

    .hero {
        flex-direction: column;
        align-items: flex-start;
        padding: 25px;
    }

    .cards,
    .menu-grid,
    .quick,
    .form-grid,
    .inline-form {
        grid-template-columns: 1fr;
    }

    .small-form {
        flex-direction: column;
    }

    nav {
        width: 100%;
        overflow-x: auto;
    }
}