/* ===== TOPNAV — Swiss-minimalist horizontal navigation ===== */
.header {
    position: static;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 2rem;
    gap: 1.5rem;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.brand-mark {
    width: 28px;
    height: 28px;
    background: var(--moss-600);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-mark svg {
    width: 15px;
    height: 15px;
    color: #fff;
}

.brand-name {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--ink-900);
    letter-spacing: -0.03em;
}

.brand-name span {
    font-weight: 400;
    color: var(--ink-400);
    margin-left: 0.25rem;
}

/* Navigation tabs */
.nav-tabs {
    display: flex;
    height: 56px;
    gap: 0;
    margin-left: 1rem;
}

.nav-tab {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 0.875rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink-400);
    cursor: pointer;
    transition: color var(--tr);
    background: none;
    border: none;
    font-family: inherit;
}

.nav-tab:hover {
    color: var(--ink-700);
}

.nav-tab.active {
    color: var(--moss-600);
    font-weight: 600;
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0.875rem;
    right: 0.875rem;
    height: 2px;
    background: var(--moss-600);
}

.nav-spacer {
    flex: 1;
}

/* System status */
.sys-status {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.6875rem;
    color: var(--ink-400);
}

.sys-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--moss-500);
}

/* Client pill */
.client-pill {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem 0.25rem 0.25rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--tr);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-700);
    background: var(--surface);
}

.client-pill:hover {
    border-color: var(--moss-400);
    background: var(--moss-50);
}

.client-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--moss-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5625rem;
    font-weight: 700;
    color: var(--moss-700);
}

.client-pill svg {
    width: 14px;
    height: 14px;
    color: var(--ink-400);
}

/* Header right section */
.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Client selector wrapper - overlay select on pill */
.client-selector-wrapper {
    position: relative;
    display: inline-block;
}

.client-select-native {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    pointer-events: none;
}

/* Custom dropdown menu */
.client-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 220px;
    max-height: 320px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    z-index: 10;
    display: none;
    overflow-y: auto;
}

.client-dropdown.open {
    display: block;
}

.client-dropdown-list {
    overflow-y: auto;
    padding: 0.25rem 0;
}

.client-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    color: var(--ink-700);
    cursor: pointer;
    transition: background var(--tr);
}

.client-dropdown-item:hover {
    background: var(--moss-50);
}

.client-dropdown-item.selected {
    background: var(--moss-100);
    color: var(--moss-700);
    font-weight: 600;
}

.client-dropdown-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.client-dropdown-item.create-client {
    color: var(--moss-600);
    font-weight: 500;
}

.client-dropdown-item.create-client:hover {
    background: var(--moss-50);
}

.client-dropdown-item.delete-client {
    color: var(--error);
}

.client-dropdown-item.delete-client:hover {
    background: var(--error-bg);
}

.client-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0;
}

/* New Client button */
.btn-new-client {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    cursor: pointer;
    transition: all var(--tr);
}

.btn-new-client:hover {
    background: var(--moss-50);
    border-color: var(--moss-400);
}

.btn-new-client svg {
    width: 16px;
    height: 16px;
    color: var(--ink-500);
}

.btn-new-client:hover svg {
    color: var(--moss-600);
}

/* Theme toggle - minimal */
.theme-toggle {
    cursor: pointer;
    padding: 0.375rem;
    border-radius: var(--radius-sm);
    transition: all var(--tr);
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.5rem;
}

.theme-toggle:hover {
    background: var(--surface-dim);
}

.theme-icon {
    font-size: 1rem;
}

/* Legacy status bar support */
.status-bar {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--ink-400);
    align-items: center;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.status-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-ready { background: var(--moss-500); }
.status-busy { background: var(--st-warn); }
.status-error { background: var(--st-gap); }

@media (max-width: 768px) {
    .header {
        padding: 0 1rem;
        gap: 0.75rem;
    }
    
    .nav-tab {
        padding: 0 0.5rem;
        font-size: 0.75rem;
    }
    
    .brand-name span {
        display: none;
    }
}

/* Form styles for client modal */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--ink-700);
    margin-bottom: 0.375rem;
}

.form-label .required {
    color: var(--error);
}

.form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink-900);
    transition: border-color var(--tr), box-shadow var(--tr);
}

.form-input:focus {
    outline: none;
    border-color: var(--moss-500);
    box-shadow: 0 0 0 2px var(--moss-100);
}

.form-input::placeholder {
    color: var(--ink-400);
}

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

/* Modal actions */
.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    padding: 1rem;
    border-top: 1px solid var(--border);
}