:root {
    --primary: #ff9400;
    --primary-hover: #e68500;
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --bg-input: #2a2a2a;
    --text-main: #ffffff;
    --text-muted: #b0b0b0;
    --border: #333333;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --info: #2196f3;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

header h1 {
    color: var(--primary);
    font-size: 1.8rem;
}

.auth-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

#auth-status {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 12px 20px;
    cursor: pointer;
    font-size: 1rem;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.form-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 25px;
    border: 1px solid var(--border);
}

.form-card h2 {
    margin-bottom: 20px;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group {
    margin-bottom: 16px;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 12px 15px;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary);
    color: #000;
}

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

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

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

.btn-danger {
    background: var(--error);
    color: #fff;
}

.btn-danger:hover {
    background: #d32f2f;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.items-list h2 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.item-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

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

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 10px;
    flex-wrap: wrap;
}

.item-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.item-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.item-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.item-description {
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
}

.item-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.upvote-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.upvote-btn:hover {
    border-color: var(--primary);
}

.upvote-btn.upvoted {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
}

.status-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-pending {
    background: var(--warning);
    color: #000;
}

.status-open {
    background: var(--info);
    color: #fff;
}

.status-implemented {
    background: var(--success);
    color: #fff;
}

.status-closed {
    background: var(--error);
    color: #fff;
}

.status-resolved {
    background: var(--success);
    color: #fff;
}

.admin-panel {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.admin-section {
    margin-bottom: 30px;
}

.admin-section:last-child {
    margin-bottom: 0;
}

.admin-section h3 {
    margin-bottom: 15px;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

.admin-item {
    background: var(--bg-input);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 10px;
    border: 1px solid var(--border);
}

.admin-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-item-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.admin-item-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

select.status-select {
    width: auto;
    padding: 6px 12px;
    font-size: 0.85rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 28px;
    cursor: pointer;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
    cursor: pointer;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
    opacity: 0.5;
}

@media (max-width: 600px) {
    .container {
        padding: 15px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .item-header {
        flex-direction: column;
    }

    .form-card {
        padding: 20px;
    }
}