/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    gap: 8px;
}

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

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

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

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

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

.btn-success:hover {
    opacity: 0.9;
}

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

.btn-danger:hover {
    opacity: 0.9;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-xs {
    padding: 4px 8px;
    font-size: 0.7rem;
    border-radius: 4px;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Tags */
.tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 4px 8px;
    background: var(--bg);
    border-radius: 4px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    display: inline-block;
    margin: 1px;
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

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

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-group .hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-status {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 16px;
    display: none;
}

.form-status.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10B981;
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #EF4444;
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.data-table tr:hover td {
    background: rgba(59, 130, 246, 0.03);
}

.data-table .actions {
    display: flex;
    gap: 4px;
}

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

.data-table .empty svg {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    z-index: 1000;
    transform: translateY(120px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--success);
}

.toast.success svg {
    color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast.error svg {
    color: var(--danger);
}

/* Tab Bar */
.tab-bar {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    background: var(--bg);
    border-radius: 10px;
    padding: 4px;
}

.tab-btn {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    border: none;
    background: none;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
}

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

.tab-btn.active {
    background: var(--accent);
    color: white;
}

/* Login Screen */
.login-screen {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.login-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 8px;
}

.login-box p {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 24px;
}

.login-box .logo-icon {
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.login-box .logo-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.login-box .error-msg {
    color: var(--danger);
    font-size: 0.8rem;
    text-align: center;
    margin-top: 12px;
    display: none;
}