:root {
    --ucf-gold: #FFC904;
    --ucf-black: #000000;
    --dark-bg: #101010;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --success: #4ade80;
    --danger: #f87171;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--ucf-black);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255, 201, 4, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 201, 4, 0.05) 0%, transparent 20%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.glass-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    margin-bottom: 40px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Typography & Branding */
.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.ucf-logo {
    background: var(--ucf-gold);
    color: var(--ucf-black);
    font-weight: 800;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Buttons */
.btn-primary {
    background: var(--ucf-gold);
    color: var(--ucf-black);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(255, 201, 4, 0.4);
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Search Section */
.search-section {
    margin-bottom: 40px;
    display: flex;
    justify-content: center;
}

.search-container {
    width: 100%;
    max-width: 600px;
    display: flex;
    align-items: center;
    padding: 15px 25px;
    transition: all 0.3s ease;
}

.search-container:focus-within {
    border-color: var(--ucf-gold);
    box-shadow: 0 0 20px rgba(255, 201, 4, 0.1);
}

.search-icon {
    color: var(--text-secondary);
    margin-right: 15px;
}

#search-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    width: 100%;
    outline: none;
    font-family: var(--font-main);
}

/* Map Section */
#map-section {
    margin-bottom: 40px;
    padding: 10px;
    height: 400px;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    z-index: 1;
    /* Ensure it stays below modals */
}

.map-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 20px;
    background: rgba(0, 0, 0, 0.2);
    pointer-events: none;
    border-radius: 12px;
}

.instruction-content {
    pointer-events: auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--ucf-gold);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.btn-small {
    width: auto;
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Machine Grid */
.machine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.machine-card {
    padding: 25px;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.machine-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 201, 4, 0.3);
}

.machine-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.machine-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--ucf-gold);
}

.owner-actions {
    display: flex;
    gap: 8px;
}

.btn-icon.danger:hover {
    background: rgba(248, 113, 113, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

.machine-location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.items-list {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
}

.item-name {
    font-weight: 500;
}

.item-meta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.item-price {
    color: var(--ucf-gold);
    font-weight: 600;
}

.stock-badge {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.stock-badge.out {
    background: var(--danger);
}

.delete-item-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
    opacity: 0.6;
}

.delete-item-btn:hover {
    color: var(--danger);
    background: rgba(248, 113, 113, 0.1);
    opacity: 1;
}

.add-item-btn-container {
    margin-top: auto;
}

.btn-secondary {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal {
    width: 90%;
    max-width: 500px;
    padding: 30px;
    background: #1a1a1a;
    border: 1px solid var(--ucf-gold);
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 16px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.close-modal-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.close-modal-btn:hover {
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="number"] {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-main);
}

.form-group input:focus {
    outline: none;
    border-color: var(--ucf-gold);
}

.item-category-input option {
    background-color: #ffffff;
    color: #000000;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-group input {
    width: 18px;
    height: 18px;
    accent-color: var(--ucf-gold);
}

.checkbox-group label {
    margin-bottom: 0;
}

.full-width {
    width: 100%;
}

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 50px;
    color: var(--text-secondary);
}

.highlight-card {
    border-color: var(--ucf-gold) !important;
    box-shadow: 0 0 30px rgba(255, 201, 4, 0.3) !important;
    transform: scale(1.02);
    transition: all 0.5s ease;
}

.hidden {
    display: none !important;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

#auth-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

#auth-controls .btn-secondary {
    width: auto;
    padding: 8px 16px;
    text-decoration: none;
    text-align: center;
}