:root {
    --primary-color: #B2001A;
    /* Centennial Red */
    --primary-hover: #8B0014;
    --text-color: #4F4F4F;
    /* Dark Charcoal */
    --text-muted: #717171;
    --bg-color: #F9F9F9;
    --card-bg: #FFFFFF;
    --border-color: #E0E0E0;
    --error-color: #B2001A;
    --success-color: #2D5A27;
    --navbar-bg: #FFFFFF;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --zebra-striping: #F4F4F4;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    /* Montserrat Light */
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6,
th {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    /* Montserrat Black */
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Navbar */
.navbar {
    background-color: var(--navbar-bg);
    border-bottom: 2px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    width: 95%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img {
    height: 50px;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 900;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Layout */
.app-container {
    width: 95%;
    max-width: 1200px;
    margin: 2rem auto;
}

.card {
    background: var(--card-bg);
    border-radius: 4px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Buttons */
button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 900;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    text-decoration: none;
    letter-spacing: 0.5px;
}

button:hover,
.btn:hover {
    background-color: var(--primary-hover);
}

button:active,
.btn:active {
    transform: translateY(1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--text-color);
}

.btn-secondary:hover {
    background-color: var(--text-color);
    color: white;
}

/* Table Management */
.table-container {
    overflow-x: auto;
    background: white;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.qr-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.qr-table thead th {
    position: sticky;
    top: 0;
    background: var(--navbar-bg);
    z-index: 10;
    padding: 1.25rem 1rem;
    border-bottom: 3px solid var(--border-color);
    font-weight: 900;
    color: var(--text-color);
}

.qr-table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    font-weight: 300;
    /* Montserrat Light for data */
}

/* Striped Rows (Zebra Striping) */
.qr-table tbody tr:nth-child(even) {
    background-color: var(--zebra-striping);
}

.qr-table tbody tr:hover {
    background-color: #F0F0F0;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-size: 0.75rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    color: var(--text-color);
}

input[type="text"],
input[type="url"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-color);
    outline: none;
    transition: border-color 0.2s;
}

input:focus {
    border-color: var(--primary-color);
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 2rem;
}

.flash {
    padding: 1rem;
    border-radius: 4px;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.75rem;
    margin-bottom: 1rem;
    border-left: 5px solid transparent;
}

.flash-danger {
    background: #fee2e2;
    color: #991b1b;
    border-left-color: #b91c1c;
}

.flash-success {
    background: #dcfce7;
    color: #166534;
    border-left-color: #15803d;
}

/* Dashboard Specifics */
.badge {
    background: #E0E0E0;
    padding: 0.25rem 0.5rem;
    border-radius: 2px;
    font-size: 0.7rem;
    font-weight: 900;
    color: var(--text-color);
}

.qr-thumbnail {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border: 1px solid var(--border-color);
    border-radius: 2px;
}

.action-icon {
    font-weight: 900;
    color: var(--primary-color);
    text-decoration: none;
    margin-right: 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.action-icon:hover {
    text-decoration: underline;
}

.empty-state {
    text-align: center;
    padding: 5rem 2rem;
    color: var(--text-muted);
}

.subtitle {
    font-weight: 300;
    margin-bottom: 2rem;
    color: var(--text-muted);
    font-size: 1rem;
}

/* Wizard */
.result-area {
    margin-top: 3rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.qr-display {
    background: white;
    padding: 2rem;
    border: 1px solid var(--border-color);
    display: inline-block;
    margin-bottom: 2rem;
}

.slug-info {
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.slug-info code {
    background: #f0f0f0;
    padding: 0.25rem 0.5rem;
    font-weight: 900;
}