:root {
    --bg: #0a0a0a;
    --surface: #1a1a1a;
    --border: #333;
    --text: #e8e8e8;
    --text-dim: #888;
    --accent: #00ff41;
    --danger: #ff1744;
    --warning: #ffd700;
}

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

body {
    font-family: 'Courier New', 'Courier', monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

/* Auth screens */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-box {
    width: 100%;
    max-width: 360px;
}

.auth-box h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.auth-box .subtitle {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 32px;
}

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

label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

input[type="text"],
input[type="tel"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 14px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.2s;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
}

.pin-input {
    width: 100%;
    letter-spacing: 12px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 16px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    display: block;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

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

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

.btn-small {
    padding: 8px 16px;
    width: auto;
    font-size: 11px;
}

.filter-btn {
    transition: all 0.2s;
}

.filter-btn.active {
    background: var(--accent);
    color: var(--bg);
}

/* Header */
.header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header .logout {
    font-size: 11px;
    color: var(--text-dim);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.header .logout:hover {
    color: var(--accent);
}

/* Container list */
.container-list {
    padding: 20px;
}

.container-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 20px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: border-color 0.2s;
    text-decoration: none;
    display: block;
    color: inherit;
}

.container-card:hover {
    border-color: var(--accent);
}

.container-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.container-card .location {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 12px;
}

.container-stats {
    display: flex;
    gap: 24px;
    font-size: 12px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-label {
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 10px;
}

.stat-value {
    font-size: 16px;
    font-weight: 700;
    margin-top: 4px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
}

.empty-state p {
    margin-bottom: 24px;
}

/* Item grid */
.item-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 20px;
}

@media (min-width: 600px) {
    .item-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.item-card {
    position: relative;
    aspect-ratio: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s;
}

.item-card:hover {
    border-color: var(--accent);
}

.item-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    padding: 12px;
    font-size: 11px;
}

.item-value {
    font-weight: 700;
    color: var(--accent);
}

.item-category {
    color: var(--text-dim);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.decision-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--accent);
    color: var(--bg);
    padding: 4px 8px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.decision-badge.sell {
    background: var(--accent);
}

.decision-badge.donate {
    background: var(--warning);
}

.decision-badge.shift {
    background: #00bfff;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.95);
    z-index: 1000;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    line-height: 1;
}

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

.modal-body {
    padding: 20px;
}

.item-detail-image {
    width: 100%;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    margin: 20px 0;
}

.done-button {
    grid-column: 1 / -1;
    margin-top: 8px;
}

/* Camera upload */
.camera-upload {
    width: 100%;
    aspect-ratio: 1;
    background: var(--surface);
    border: 2px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.camera-upload:hover {
    border-color: var(--accent);
}

.camera-upload input {
    display: none;
}

.camera-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-placeholder {
    text-align: center;
    color: var(--text-dim);
}

.camera-placeholder svg {
    width: 48px;
    height: 48px;
    margin-bottom: 8px;
}

/* Alert messages */
.alert {
    padding: 16px;
    margin-bottom: 20px;
    border: 1px solid;
}

.alert-success {
    background: rgba(0, 255, 65, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

.alert-error {
    background: rgba(255, 23, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* Loading state */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-dim);
}

/* Responsive */
@media (max-width: 600px) {
    .action-buttons {
        grid-template-columns: 1fr;
    }
}